id	sid	tid	token	lemma	pos
ap-4768	1	1	acta	acta	PROPN
ap-4768	1	2	polytechnica	polytechnica	PROPN
ap-4768	1	3	doi:10.14311	doi:10.14311	PROPN
ap-4768	1	4	/	/	SYM
ap-4768	1	5	ap.2018.58.0226	ap.2018.58.0226	PROPN
ap-4768	1	6	acta	acta	PROPN
ap-4768	1	7	polytechnica	polytechnica	PROPN
ap-4768	1	8	58(4):226–231	58(4):226–231	PROPN
ap-4768	1	9	,	,	PUNCT
ap-4768	1	10	2018	2018	NUM
ap-4768	1	11	©	©	PROPN
ap-4768	1	12	czech	czech	PROPN
ap-4768	1	13	technical	technical	PROPN
ap-4768	1	14	university	university	PROPN
ap-4768	1	15	in	in	ADP
ap-4768	1	16	prague	prague	PROPN
ap-4768	1	17	,	,	PUNCT
ap-4768	1	18	2018	2018	NUM
ap-4768	1	19	available	available	ADJ
ap-4768	1	20	online	online	ADV
ap-4768	1	21	at	at	ADP
ap-4768	1	22	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-4768	1	23	verification	verification	NOUN
ap-4768	1	24	of	of	ADP
ap-4768	1	25	behaviour	behaviour	NOUN
ap-4768	1	26	of	of	ADP
ap-4768	1	27	human	human	ADJ
ap-4768	1	28	enamel	enamel	NOUN
ap-4768	1	29	for	for	ADP
ap-4768	1	30	fracture	fracture	ADJ
ap-4768	1	31	toughness	toughness	NOUN
ap-4768	1	32	determination	determination	NOUN
ap-4768	1	33	petra	petra	PROPN
ap-4768	1	34	hájková∗	hájková∗	PROPN
ap-4768	1	35	,	,	PUNCT
ap-4768	1	36	aleš	aleš	PROPN
ap-4768	1	37	jíra	jíra	PROPN
ap-4768	1	38	,	,	PUNCT
ap-4768	1	39	luboš	luboš	ADJ
ap-4768	1	40	řehounek	řehounek	VERB
ap-4768	1	41	czech	czech	PROPN
ap-4768	1	42	technical	technical	PROPN
ap-4768	1	43	university	university	PROPN
ap-4768	1	44	in	in	ADP
ap-4768	1	45	prague	prague	PROPN
ap-4768	1	46	,	,	PUNCT
ap-4768	1	47	faculty	faculty	NOUN
ap-4768	1	48	of	of	ADP
ap-4768	1	49	civil	civil	ADJ
ap-4768	1	50	engineering	engineering	NOUN
ap-4768	1	51	,	,	PUNCT
ap-4768	1	52	thákurova	thákurova	X
ap-4768	1	53	7	7	NUM
ap-4768	1	54	166	166	NUM
ap-4768	1	55	29	29	NUM
ap-4768	1	56	,	,	PUNCT
ap-4768	1	57	prague	prague	NOUN
ap-4768	1	58	,	,	PUNCT
ap-4768	1	59	czech	czech	PROPN
ap-4768	1	60	republic	republic	NOUN
ap-4768	1	61	∗	∗	NOUN
ap-4768	1	62	corresponding	correspond	VERB
ap-4768	1	63	author	author	NOUN
ap-4768	1	64	:	:	PUNCT
ap-4768	1	65	petra.hajkova@fsv.cvut.cz	petra.hajkova@fsv.cvut.cz	PROPN
ap-4768	1	66	abstract	abstract	NOUN
ap-4768	1	67	.	.	PUNCT
ap-4768	2	1	enamel	enamel	NOUN
ap-4768	2	2	is	be	AUX
ap-4768	2	3	the	the	DET
ap-4768	2	4	hardest	hard	ADJ
ap-4768	2	5	biological	biological	ADJ
ap-4768	2	6	tissue	tissue	NOUN
ap-4768	2	7	in	in	ADP
ap-4768	2	8	the	the	DET
ap-4768	2	9	human	human	ADJ
ap-4768	2	10	body	body	NOUN
ap-4768	2	11	because	because	SCONJ
ap-4768	2	12	of	of	ADP
ap-4768	2	13	its	its	PRON
ap-4768	2	14	structure	structure	NOUN
ap-4768	2	15	and	and	CCONJ
ap-4768	2	16	composition	composition	NOUN
ap-4768	2	17	.	.	PUNCT
ap-4768	3	1	the	the	DET
ap-4768	3	2	structure	structure	NOUN
ap-4768	3	3	of	of	ADP
ap-4768	3	4	interlocking	interlock	VERB
ap-4768	3	5	rods	rod	NOUN
ap-4768	3	6	enables	enable	VERB
ap-4768	3	7	this	this	DET
ap-4768	3	8	biomaterial	biomaterial	NOUN
ap-4768	3	9	to	to	PART
ap-4768	3	10	resist	resist	VERB
ap-4768	3	11	the	the	DET
ap-4768	3	12	stresses	stress	NOUN
ap-4768	3	13	of	of	ADP
ap-4768	3	14	mastication	mastication	NOUN
ap-4768	3	15	.	.	PUNCT
ap-4768	4	1	unfortunately	unfortunately	ADV
ap-4768	4	2	,	,	PUNCT
ap-4768	4	3	enamel	enamel	PROPN
ap-4768	4	4	is	be	AUX
ap-4768	4	5	prone	prone	ADJ
ap-4768	4	6	to	to	ADP
ap-4768	4	7	fracture	fracture	NOUN
ap-4768	4	8	initiation	initiation	NOUN
ap-4768	4	9	and	and	CCONJ
ap-4768	4	10	growth	growth	NOUN
ap-4768	4	11	.	.	PUNCT
ap-4768	5	1	determining	determine	VERB
ap-4768	5	2	the	the	DET
ap-4768	5	3	fracture	fracture	ADJ
ap-4768	5	4	toughness	toughness	NOUN
ap-4768	5	5	of	of	ADP
ap-4768	5	6	enamel	enamel	NOUN
ap-4768	5	7	is	be	AUX
ap-4768	5	8	a	a	DET
ap-4768	5	9	difficult	difficult	ADJ
ap-4768	5	10	task	task	NOUN
ap-4768	5	11	.	.	PUNCT
ap-4768	6	1	the	the	DET
ap-4768	6	2	lack	lack	NOUN
ap-4768	6	3	of	of	ADP
ap-4768	6	4	thickness	thickness	NOUN
ap-4768	6	5	makes	make	VERB
ap-4768	6	6	it	it	PRON
ap-4768	6	7	impossible	impossible	ADJ
ap-4768	6	8	to	to	PART
ap-4768	6	9	prepare	prepare	VERB
ap-4768	6	10	samples	sample	NOUN
ap-4768	6	11	which	which	PRON
ap-4768	6	12	could	could	AUX
ap-4768	6	13	be	be	AUX
ap-4768	6	14	analysed	analyse	VERB
ap-4768	6	15	by	by	ADP
ap-4768	6	16	usual	usual	ADJ
ap-4768	6	17	methods	method	NOUN
ap-4768	6	18	.	.	PUNCT
ap-4768	7	1	other	other	ADJ
ap-4768	7	2	authors	author	NOUN
ap-4768	7	3	ordinarily	ordinarily	ADV
ap-4768	7	4	use	use	VERB
ap-4768	7	5	vickers	vicker	NOUN
ap-4768	7	6	indentation	indentation	PROPN
ap-4768	7	7	fracture	fracture	PROPN
ap-4768	7	8	test	test	NOUN
ap-4768	7	9	(	(	PUNCT
ap-4768	7	10	vif	vif	NOUN
ap-4768	7	11	)	)	PUNCT
ap-4768	7	12	to	to	PART
ap-4768	7	13	determine	determine	VERB
ap-4768	7	14	the	the	DET
ap-4768	7	15	fracture	fracture	ADJ
ap-4768	7	16	toughness	toughness	NOUN
ap-4768	7	17	of	of	ADP
ap-4768	7	18	enamel	enamel	NOUN
ap-4768	7	19	.	.	PUNCT
ap-4768	8	1	the	the	DET
ap-4768	8	2	vif	vif	NOUN
ap-4768	8	3	is	be	AUX
ap-4768	8	4	,	,	PUNCT
ap-4768	8	5	however	however	ADV
ap-4768	8	6	,	,	PUNCT
ap-4768	8	7	not	not	PART
ap-4768	8	8	generally	generally	ADV
ap-4768	8	9	acceptable	acceptable	ADJ
ap-4768	8	10	.	.	PUNCT
ap-4768	9	1	the	the	DET
ap-4768	9	2	aim	aim	NOUN
ap-4768	9	3	of	of	ADP
ap-4768	9	4	this	this	DET
ap-4768	9	5	study	study	NOUN
ap-4768	9	6	is	be	AUX
ap-4768	9	7	a	a	DET
ap-4768	9	8	verification	verification	NOUN
ap-4768	9	9	of	of	ADP
ap-4768	9	10	a	a	DET
ap-4768	9	11	fracture	fracture	NOUN
ap-4768	9	12	behaviour	behaviour	NOUN
ap-4768	9	13	of	of	ADP
ap-4768	9	14	enamel	enamel	NOUN
ap-4768	9	15	using	use	VERB
ap-4768	9	16	nanoindentation	nanoindentation	NOUN
ap-4768	9	17	.	.	PUNCT
ap-4768	10	1	in	in	ADP
ap-4768	10	2	the	the	DET
ap-4768	10	3	study	study	NOUN
ap-4768	10	4	the	the	DET
ap-4768	10	5	impact	impact	NOUN
ap-4768	10	6	of	of	ADP
ap-4768	10	7	changes	change	NOUN
ap-4768	10	8	of	of	ADP
ap-4768	10	9	hardness	hardness	NOUN
ap-4768	10	10	(	(	PUNCT
ap-4768	10	11	hit	hit	NOUN
ap-4768	10	12	)	)	PUNCT
ap-4768	10	13	and	and	CCONJ
ap-4768	10	14	reduced	reduced	ADJ
ap-4768	10	15	modulus	modulus	NOUN
ap-4768	10	16	(	(	PUNCT
ap-4768	10	17	er	er	INTJ
ap-4768	10	18	)	)	PUNCT
ap-4768	10	19	caused	cause	VERB
ap-4768	10	20	by	by	ADP
ap-4768	10	21	crack	crack	NOUN
ap-4768	10	22	initiation	initiation	NOUN
ap-4768	10	23	and	and	CCONJ
ap-4768	10	24	the	the	DET
ap-4768	10	25	growth	growth	NOUN
ap-4768	10	26	on	on	ADP
ap-4768	10	27	fracture	fracture	ADJ
ap-4768	10	28	toughness	toughness	NOUN
ap-4768	10	29	determination	determination	NOUN
ap-4768	10	30	is	be	AUX
ap-4768	10	31	observed	observe	VERB
ap-4768	10	32	.	.	PUNCT
ap-4768	11	1	the	the	DET
ap-4768	11	2	next	next	ADJ
ap-4768	11	3	goal	goal	NOUN
ap-4768	11	4	is	be	AUX
ap-4768	11	5	an	an	DET
ap-4768	11	6	evaluation	evaluation	NOUN
ap-4768	11	7	of	of	ADP
ap-4768	11	8	loading	loading	NOUN
ap-4768	11	9	rate	rate	NOUN
ap-4768	11	10	impact	impact	NOUN
ap-4768	11	11	.	.	PUNCT
ap-4768	12	1	keywords	keyword	NOUN
ap-4768	12	2	:	:	PUNCT
ap-4768	12	3	human	human	ADJ
ap-4768	12	4	enamel	enamel	NOUN
ap-4768	12	5	,	,	PUNCT
ap-4768	12	6	fracture	fracture	NOUN
ap-4768	12	7	behaviour	behaviour	NOUN
ap-4768	12	8	,	,	PUNCT
ap-4768	12	9	mechanical	mechanical	ADJ
ap-4768	12	10	properties	property	NOUN
ap-4768	12	11	,	,	PUNCT
ap-4768	12	12	loading	loading	NOUN
ap-4768	12	13	rate	rate	NOUN
ap-4768	12	14	,	,	PUNCT
ap-4768	12	15	work	work	NOUN
ap-4768	12	16	of	of	ADP
ap-4768	12	17	indentation	indentation	NOUN
ap-4768	12	18	.	.	PUNCT
ap-4768	13	1	1	1	X
ap-4768	13	2	.	.	X
ap-4768	13	3	introduction	introduction	NOUN
ap-4768	13	4	enamel	enamel	NOUN
ap-4768	13	5	is	be	AUX
ap-4768	13	6	a	a	DET
ap-4768	13	7	tissue	tissue	NOUN
ap-4768	13	8	that	that	PRON
ap-4768	13	9	forms	form	VERB
ap-4768	13	10	the	the	DET
ap-4768	13	11	external	external	ADJ
ap-4768	13	12	part	part	NOUN
ap-4768	13	13	of	of	ADP
ap-4768	13	14	human	human	ADJ
ap-4768	13	15	teeth	tooth	NOUN
ap-4768	13	16	.	.	PUNCT
ap-4768	14	1	conventionally	conventionally	ADV
ap-4768	14	2	,	,	PUNCT
ap-4768	14	3	it	it	PRON
ap-4768	14	4	is	be	AUX
ap-4768	14	5	the	the	DET
ap-4768	14	6	only	only	ADJ
ap-4768	14	7	visible	visible	ADJ
ap-4768	14	8	dental	dental	ADJ
ap-4768	14	9	material	material	NOUN
ap-4768	14	10	in	in	ADP
ap-4768	14	11	the	the	DET
ap-4768	14	12	oral	oral	ADJ
ap-4768	14	13	cavity	cavity	NOUN
ap-4768	14	14	.	.	PUNCT
ap-4768	15	1	enamel	enamel	PROPN
ap-4768	15	2	also	also	ADV
ap-4768	15	3	protects	protect	VERB
ap-4768	15	4	the	the	DET
ap-4768	15	5	inner	inner	ADJ
ap-4768	15	6	parts	part	NOUN
ap-4768	15	7	of	of	ADP
ap-4768	15	8	the	the	DET
ap-4768	15	9	human	human	ADJ
ap-4768	15	10	teeth	tooth	NOUN
ap-4768	15	11	–	–	PUNCT
ap-4768	15	12	dentin	dentin	NOUN
ap-4768	15	13	and	and	CCONJ
ap-4768	15	14	pulp	pulp	NOUN
ap-4768	15	15	.	.	PUNCT
ap-4768	16	1	its	its	PRON
ap-4768	16	2	mechanical	mechanical	ADJ
ap-4768	16	3	properties	property	NOUN
ap-4768	16	4	correspond	correspond	VERB
ap-4768	16	5	to	to	ADP
ap-4768	16	6	its	its	PRON
ap-4768	16	7	functions	function	NOUN
ap-4768	16	8	and	and	CCONJ
ap-4768	16	9	conditions	condition	NOUN
ap-4768	16	10	it	it	PRON
ap-4768	16	11	is	be	AUX
ap-4768	16	12	under	under	ADP
ap-4768	16	13	–	–	PUNCT
ap-4768	16	14	enamel	enamel	NOUN
ap-4768	16	15	must	must	AUX
ap-4768	16	16	withstand	withstand	VERB
ap-4768	16	17	the	the	DET
ap-4768	16	18	stresses	stress	NOUN
ap-4768	16	19	caused	cause	VERB
ap-4768	16	20	by	by	ADP
ap-4768	16	21	mastication	mastication	NOUN
ap-4768	16	22	and	and	CCONJ
ap-4768	16	23	other	other	ADJ
ap-4768	16	24	stimuli	stimulus	NOUN
ap-4768	16	25	,	,	PUNCT
ap-4768	16	26	such	such	ADJ
ap-4768	16	27	as	as	ADP
ap-4768	16	28	sudden	sudden	ADJ
ap-4768	16	29	changes	change	NOUN
ap-4768	16	30	of	of	ADP
ap-4768	16	31	temperature	temperature	NOUN
ap-4768	16	32	caused	cause	VERB
ap-4768	16	33	by	by	ADP
ap-4768	16	34	drinking	drink	VERB
ap-4768	16	35	hot	hot	ADJ
ap-4768	16	36	or	or	CCONJ
ap-4768	16	37	cold	cold	ADJ
ap-4768	16	38	drinks	drink	NOUN
ap-4768	16	39	and	and	CCONJ
ap-4768	16	40	consuming	consume	VERB
ap-4768	16	41	acidic	acidic	ADJ
ap-4768	16	42	or	or	CCONJ
ap-4768	16	43	sugary	sugary	ADJ
ap-4768	16	44	foods	food	NOUN
ap-4768	16	45	.	.	PUNCT
ap-4768	17	1	because	because	SCONJ
ap-4768	17	2	of	of	ADP
ap-4768	17	3	that	that	PRON
ap-4768	17	4	,	,	PUNCT
ap-4768	17	5	enamel	enamel	PROPN
ap-4768	17	6	is	be	AUX
ap-4768	17	7	the	the	DET
ap-4768	17	8	hardest	hard	ADJ
ap-4768	17	9	tissue	tissue	NOUN
ap-4768	17	10	in	in	ADP
ap-4768	17	11	the	the	DET
ap-4768	17	12	human	human	ADJ
ap-4768	17	13	body	body	NOUN
ap-4768	17	14	[	[	X
ap-4768	17	15	1	1	NUM
ap-4768	17	16	]	]	PUNCT
ap-4768	17	17	.	.	PUNCT
ap-4768	18	1	unfortunately	unfortunately	ADV
ap-4768	18	2	,	,	PUNCT
ap-4768	18	3	hard	hard	ADJ
ap-4768	18	4	materials	material	NOUN
ap-4768	18	5	also	also	ADV
ap-4768	18	6	tend	tend	VERB
ap-4768	18	7	to	to	PART
ap-4768	18	8	be	be	AUX
ap-4768	18	9	brittle	brittle	ADJ
ap-4768	18	10	and	and	CCONJ
ap-4768	18	11	exhibit	exhibit	VERB
ap-4768	18	12	little	little	ADJ
ap-4768	18	13	resistance	resistance	NOUN
ap-4768	18	14	towards	towards	ADP
ap-4768	18	15	initiation	initiation	NOUN
ap-4768	18	16	and	and	CCONJ
ap-4768	18	17	propagation	propagation	NOUN
ap-4768	18	18	of	of	ADP
ap-4768	18	19	cracks	crack	NOUN
ap-4768	18	20	.	.	PUNCT
ap-4768	19	1	the	the	DET
ap-4768	19	2	cracks	crack	NOUN
ap-4768	19	3	can	can	AUX
ap-4768	19	4	then	then	ADV
ap-4768	19	5	compromise	compromise	VERB
ap-4768	19	6	the	the	DET
ap-4768	19	7	overall	overall	ADJ
ap-4768	19	8	health	health	NOUN
ap-4768	19	9	of	of	ADP
ap-4768	19	10	the	the	DET
ap-4768	19	11	tooth	tooth	NOUN
ap-4768	19	12	,	,	PUNCT
ap-4768	19	13	especially	especially	ADV
ap-4768	19	14	if	if	SCONJ
ap-4768	19	15	dental	dental	ADJ
ap-4768	19	16	cavities	cavity	NOUN
ap-4768	19	17	are	be	AUX
ap-4768	19	18	located	locate	VERB
ap-4768	19	19	beneath	beneath	ADP
ap-4768	19	20	the	the	DET
ap-4768	19	21	enamel	enamel	NOUN
ap-4768	19	22	layer	layer	NOUN
ap-4768	19	23	.	.	PUNCT
ap-4768	20	1	mechanical	mechanical	ADJ
ap-4768	20	2	properties	property	NOUN
ap-4768	20	3	of	of	ADP
ap-4768	20	4	enamel	enamel	NOUN
ap-4768	20	5	are	be	AUX
ap-4768	20	6	determined	determine	VERB
ap-4768	20	7	by	by	ADP
ap-4768	20	8	its	its	PRON
ap-4768	20	9	structure	structure	NOUN
ap-4768	20	10	and	and	CCONJ
ap-4768	20	11	chemical	chemical	NOUN
ap-4768	20	12	composition	composition	NOUN
ap-4768	20	13	.	.	PUNCT
ap-4768	21	1	it	it	PRON
ap-4768	21	2	consists	consist	VERB
ap-4768	21	3	of	of	ADP
ap-4768	21	4	96	96	NUM
ap-4768	21	5	%	%	NOUN
ap-4768	21	6	anorganic	anorganic	ADJ
ap-4768	21	7	substances	substance	NOUN
ap-4768	21	8	(	(	PUNCT
ap-4768	21	9	hydroxyapatite	hydroxyapatite	NOUN
ap-4768	21	10	)	)	PUNCT
ap-4768	21	11	and	and	CCONJ
ap-4768	21	12	4	4	NUM
ap-4768	21	13	%	%	NOUN
ap-4768	21	14	is	be	AUX
ap-4768	21	15	water	water	NOUN
ap-4768	21	16	and	and	CCONJ
ap-4768	21	17	organic	organic	ADJ
ap-4768	21	18	compounds	compound	NOUN
ap-4768	21	19	(	(	PUNCT
ap-4768	21	20	protein	protein	NOUN
ap-4768	21	21	enamelin	enamelin	NOUN
ap-4768	21	22	)	)	PUNCT
ap-4768	21	23	.	.	PUNCT
ap-4768	22	1	densely	densely	ADV
ap-4768	22	2	formed	form	VERB
ap-4768	22	3	crystals	crystal	NOUN
ap-4768	22	4	of	of	ADP
ap-4768	22	5	hydroxyapatite	hydroxyapatite	NOUN
ap-4768	22	6	form	form	NOUN
ap-4768	22	7	prisms	prism	NOUN
ap-4768	22	8	that	that	PRON
ap-4768	22	9	pass	pass	VERB
ap-4768	22	10	in	in	ADP
ap-4768	22	11	volume	volume	NOUN
ap-4768	22	12	from	from	ADP
ap-4768	22	13	the	the	DET
ap-4768	22	14	dentino	dentino	NOUN
ap-4768	22	15	-	-	PUNCT
ap-4768	22	16	enamel	enamel	NOUN
ap-4768	22	17	junction	junction	NOUN
ap-4768	22	18	(	(	PUNCT
ap-4768	22	19	dej	dej	PROPN
ap-4768	22	20	)	)	PUNCT
ap-4768	22	21	to	to	ADP
ap-4768	22	22	the	the	DET
ap-4768	22	23	outer	outer	ADJ
ap-4768	22	24	tooth	tooth	NOUN
ap-4768	22	25	layer	layer	NOUN
ap-4768	22	26	.	.	PUNCT
ap-4768	23	1	the	the	DET
ap-4768	23	2	shape	shape	NOUN
ap-4768	23	3	of	of	ADP
ap-4768	23	4	the	the	DET
ap-4768	23	5	prisms	prism	NOUN
ap-4768	23	6	enables	enable	VERB
ap-4768	23	7	for	for	ADP
ap-4768	23	8	the	the	DET
ap-4768	23	9	interconnection	interconnection	NOUN
ap-4768	23	10	of	of	ADP
ap-4768	23	11	convex	convex	NOUN
ap-4768	23	12	and	and	CCONJ
ap-4768	23	13	concave	concave	NOUN
ap-4768	23	14	surfaces	surface	NOUN
ap-4768	23	15	of	of	ADP
ap-4768	23	16	surrounding	surround	VERB
ap-4768	23	17	prisms	prism	NOUN
ap-4768	23	18	and	and	CCONJ
ap-4768	23	19	forms	form	VERB
ap-4768	23	20	a	a	DET
ap-4768	23	21	strong	strong	ADJ
ap-4768	23	22	bond	bond	NOUN
ap-4768	23	23	.	.	PUNCT
ap-4768	24	1	the	the	DET
ap-4768	24	2	different	different	ADJ
ap-4768	24	3	orientation	orientation	NOUN
ap-4768	24	4	of	of	ADP
ap-4768	24	5	the	the	DET
ap-4768	24	6	hydroxyapatite	hydroxyapatite	NOUN
ap-4768	24	7	crystals	crystal	NOUN
ap-4768	24	8	in	in	ADP
ap-4768	24	9	prisms	prism	NOUN
ap-4768	24	10	and	and	CCONJ
ap-4768	24	11	the	the	DET
ap-4768	24	12	interprismatic	interprismatic	ADJ
ap-4768	24	13	substance	substance	NOUN
ap-4768	24	14	also	also	ADV
ap-4768	24	15	contributes	contribute	VERB
ap-4768	24	16	towards	towards	ADP
ap-4768	24	17	a	a	DET
ap-4768	24	18	higher	high	ADJ
ap-4768	24	19	mechanical	mechanical	ADJ
ap-4768	24	20	durability	durability	NOUN
ap-4768	24	21	[	[	X
ap-4768	24	22	1	1	NUM
ap-4768	24	23	]	]	PUNCT
ap-4768	24	24	.	.	PUNCT
ap-4768	25	1	authors	author	NOUN
ap-4768	25	2	who	who	PRON
ap-4768	25	3	describe	describe	VERB
ap-4768	25	4	the	the	DET
ap-4768	25	5	mechanical	mechanical	ADJ
ap-4768	25	6	properties	property	NOUN
ap-4768	25	7	of	of	ADP
ap-4768	25	8	dental	dental	ADJ
ap-4768	25	9	tissues	tissue	NOUN
ap-4768	25	10	have	have	AUX
ap-4768	25	11	previously	previously	ADV
ap-4768	25	12	dedicated	dedicate	VERB
ap-4768	25	13	more	more	ADJ
ap-4768	25	14	attention	attention	NOUN
ap-4768	25	15	to	to	ADP
ap-4768	25	16	dentin	dentin	NOUN
ap-4768	25	17	than	than	ADP
ap-4768	25	18	enamel	enamel	NOUN
ap-4768	25	19	.	.	PUNCT
ap-4768	26	1	this	this	PRON
ap-4768	26	2	is	be	AUX
ap-4768	26	3	caused	cause	VERB
ap-4768	26	4	by	by	ADP
ap-4768	26	5	the	the	DET
ap-4768	26	6	fact	fact	NOUN
ap-4768	26	7	that	that	SCONJ
ap-4768	26	8	samples	sample	NOUN
ap-4768	26	9	of	of	ADP
ap-4768	26	10	healthy	healthy	ADJ
ap-4768	26	11	,	,	PUNCT
ap-4768	26	12	intact	intact	ADJ
ap-4768	26	13	enamel	enamel	NOUN
ap-4768	26	14	are	be	AUX
ap-4768	26	15	hard	hard	ADJ
ap-4768	26	16	to	to	PART
ap-4768	26	17	come	come	VERB
ap-4768	26	18	by	by	ADV
ap-4768	26	19	and	and	CCONJ
ap-4768	26	20	it	it	PRON
ap-4768	26	21	has	have	VERB
ap-4768	26	22	a	a	DET
ap-4768	26	23	maximum	maximum	ADJ
ap-4768	26	24	thickness	thickness	NOUN
ap-4768	26	25	of	of	ADP
ap-4768	26	26	2.5	2.5	NUM
ap-4768	26	27	mm	mm	NOUN
ap-4768	26	28	.	.	PUNCT
ap-4768	27	1	the	the	DET
ap-4768	27	2	thickness	thickness	NOUN
ap-4768	27	3	of	of	ADP
ap-4768	27	4	the	the	DET
ap-4768	27	5	samples	sample	NOUN
ap-4768	27	6	also	also	ADV
ap-4768	27	7	limits	limit	VERB
ap-4768	27	8	the	the	DET
ap-4768	27	9	number	number	NOUN
ap-4768	27	10	of	of	ADP
ap-4768	27	11	viable	viable	ADJ
ap-4768	27	12	testing	testing	NOUN
ap-4768	27	13	methods	method	NOUN
ap-4768	27	14	.	.	PUNCT
ap-4768	28	1	the	the	DET
ap-4768	28	2	most	most	ADV
ap-4768	28	3	common	common	ADJ
ap-4768	28	4	method	method	NOUN
ap-4768	28	5	used	use	VERB
ap-4768	28	6	for	for	ADP
ap-4768	28	7	the	the	DET
ap-4768	28	8	determination	determination	NOUN
ap-4768	28	9	of	of	ADP
ap-4768	28	10	hardness	hardness	ADJ
ap-4768	28	11	hit	hit	NOUN
ap-4768	28	12	and	and	CCONJ
ap-4768	28	13	young	young	ADJ
ap-4768	28	14	’s	’s	PART
ap-4768	28	15	modulus	modulus	ADJ
ap-4768	28	16	e	e	NOUN
ap-4768	28	17	of	of	ADP
ap-4768	28	18	dentin	dentin	NOUN
ap-4768	28	19	and	and	CCONJ
ap-4768	28	20	enamel	enamel	NOUN
ap-4768	28	21	is	be	AUX
ap-4768	28	22	nanoindentation	nanoindentation	NOUN
ap-4768	28	23	.	.	PUNCT
ap-4768	29	1	enamel	enamel	NOUN
ap-4768	29	2	,	,	PUNCT
ap-4768	29	3	which	which	PRON
ap-4768	29	4	is	be	AUX
ap-4768	29	5	a	a	DET
ap-4768	29	6	very	very	ADV
ap-4768	29	7	brittle	brittle	ADJ
ap-4768	29	8	material	material	NOUN
ap-4768	29	9	,	,	PUNCT
ap-4768	29	10	has	have	VERB
ap-4768	29	11	another	another	DET
ap-4768	29	12	important	important	ADJ
ap-4768	29	13	property	property	NOUN
ap-4768	29	14	–	–	PUNCT
ap-4768	29	15	the	the	DET
ap-4768	29	16	fracture	fracture	ADJ
ap-4768	29	17	toughness	toughness	NOUN
ap-4768	29	18	.	.	PUNCT
ap-4768	30	1	fracture	fracture	ADJ
ap-4768	30	2	toughness	toughness	NOUN
ap-4768	30	3	describes	describe	VERB
ap-4768	30	4	the	the	DET
ap-4768	30	5	resistance	resistance	NOUN
ap-4768	30	6	of	of	ADP
ap-4768	30	7	the	the	DET
ap-4768	30	8	material	material	NOUN
ap-4768	30	9	against	against	ADP
ap-4768	30	10	the	the	DET
ap-4768	30	11	propagation	propagation	NOUN
ap-4768	30	12	of	of	ADP
ap-4768	30	13	cracks	crack	NOUN
ap-4768	30	14	at	at	ADP
ap-4768	30	15	given	give	VERB
ap-4768	30	16	stress	stress	NOUN
ap-4768	30	17	values	value	NOUN
ap-4768	30	18	.	.	PUNCT
ap-4768	31	1	the	the	DET
ap-4768	31	2	property	property	NOUN
ap-4768	31	3	most	most	ADV
ap-4768	31	4	commonly	commonly	ADV
ap-4768	31	5	used	use	VERB
ap-4768	31	6	for	for	ADP
ap-4768	31	7	describing	describe	VERB
ap-4768	31	8	the	the	DET
ap-4768	31	9	fracture	fracture	ADJ
ap-4768	31	10	toughness	toughness	NOUN
ap-4768	31	11	of	of	ADP
ap-4768	31	12	enamel	enamel	NOUN
ap-4768	31	13	is	be	AUX
ap-4768	31	14	the	the	DET
ap-4768	31	15	stress	stress	NOUN
ap-4768	31	16	intensity	intensity	NOUN
ap-4768	31	17	factor	factor	NOUN
ap-4768	31	18	kic	kic	PROPN
ap-4768	31	19	.	.	PUNCT
ap-4768	32	1	the	the	DET
ap-4768	32	2	mean	mean	ADJ
ap-4768	32	3	value	value	NOUN
ap-4768	32	4	of	of	ADP
ap-4768	32	5	the	the	DET
ap-4768	32	6	fracture	fracture	ADJ
ap-4768	32	7	toughness	toughness	NOUN
ap-4768	32	8	of	of	ADP
ap-4768	32	9	enamel	enamel	NOUN
ap-4768	32	10	,	,	PUNCT
ap-4768	32	11	according	accord	VERB
ap-4768	32	12	to	to	ADP
ap-4768	32	13	a	a	DET
ap-4768	32	14	published	publish	VERB
ap-4768	32	15	research	research	NOUN
ap-4768	32	16	,	,	PUNCT
ap-4768	32	17	ranges	range	VERB
ap-4768	32	18	between	between	ADP
ap-4768	32	19	0.45–1.55mpam1/2	0.45–1.55mpam1/2	PROPN
ap-4768	33	1	[	[	X
ap-4768	33	2	2–5	2–5	X
ap-4768	33	3	]	]	PUNCT
ap-4768	33	4	.	.	PUNCT
ap-4768	34	1	a	a	DET
ap-4768	34	2	great	great	ADJ
ap-4768	34	3	range	range	NOUN
ap-4768	34	4	of	of	ADP
ap-4768	34	5	experimentally	experimentally	ADV
ap-4768	34	6	determined	determine	VERB
ap-4768	34	7	values	value	NOUN
ap-4768	34	8	is	be	AUX
ap-4768	34	9	caused	cause	VERB
ap-4768	34	10	by	by	ADP
ap-4768	34	11	multiple	multiple	ADJ
ap-4768	34	12	factors	factor	NOUN
ap-4768	34	13	.	.	PUNCT
ap-4768	35	1	authors	author	NOUN
ap-4768	35	2	[	[	X
ap-4768	35	3	2	2	NUM
ap-4768	35	4	,	,	PUNCT
ap-4768	35	5	3	3	NUM
ap-4768	35	6	]	]	PUNCT
ap-4768	35	7	mention	mention	VERB
ap-4768	35	8	an	an	DET
ap-4768	35	9	increasing	increase	VERB
ap-4768	35	10	brittleness	brittleness	NOUN
ap-4768	35	11	from	from	ADP
ap-4768	35	12	the	the	DET
ap-4768	35	13	dej	dej	NOUN
ap-4768	35	14	towards	towards	ADP
ap-4768	35	15	the	the	DET
ap-4768	35	16	outer	outer	ADJ
ap-4768	35	17	tooth	tooth	NOUN
ap-4768	35	18	surface	surface	NOUN
ap-4768	35	19	for	for	ADP
ap-4768	35	20	old	old	ADJ
ap-4768	35	21	enamel	enamel	NOUN
ap-4768	35	22	(	(	PUNCT
ap-4768	35	23	50/55	50/55	NUM
ap-4768	35	24	≤	≤	NOUN
ap-4768	35	25	age	age	NOUN
ap-4768	35	26	)	)	PUNCT
ap-4768	35	27	.	.	PUNCT
ap-4768	36	1	other	other	ADJ
ap-4768	36	2	published	publish	VERB
ap-4768	36	3	works	work	NOUN
ap-4768	36	4	mention	mention	VERB
ap-4768	36	5	the	the	DET
ap-4768	36	6	different	different	ADJ
ap-4768	36	7	properties	property	NOUN
ap-4768	36	8	of	of	ADP
ap-4768	36	9	enamel	enamel	NOUN
ap-4768	36	10	in	in	ADP
ap-4768	36	11	deciduous	deciduous	ADJ
ap-4768	36	12	and	and	CCONJ
ap-4768	36	13	permanent	permanent	ADJ
ap-4768	36	14	teeth	tooth	NOUN
ap-4768	36	15	[	[	X
ap-4768	36	16	4	4	NUM
ap-4768	36	17	]	]	PUNCT
ap-4768	36	18	and	and	CCONJ
ap-4768	36	19	differences	difference	NOUN
ap-4768	36	20	caused	cause	VERB
ap-4768	36	21	by	by	ADP
ap-4768	36	22	the	the	DET
ap-4768	36	23	enamel	enamel	NOUN
ap-4768	36	24	structure	structure	NOUN
ap-4768	36	25	–	–	PUNCT
ap-4768	36	26	indentation	indentation	NOUN
ap-4768	36	27	parallel	parallel	NOUN
ap-4768	36	28	or	or	CCONJ
ap-4768	36	29	perpendicular	perpendicular	ADJ
ap-4768	36	30	to	to	PART
ap-4768	36	31	enamel	enamel	VERB
ap-4768	36	32	rods	rod	NOUN
ap-4768	36	33	[	[	X
ap-4768	36	34	5	5	NUM
ap-4768	36	35	]	]	PUNCT
ap-4768	36	36	.	.	PUNCT
ap-4768	37	1	the	the	DET
ap-4768	37	2	problems	problem	NOUN
ap-4768	37	3	connected	connect	VERB
ap-4768	37	4	with	with	ADP
ap-4768	37	5	the	the	DET
ap-4768	37	6	determining	determine	VERB
ap-4768	37	7	the	the	DET
ap-4768	37	8	values	value	NOUN
ap-4768	37	9	of	of	ADP
ap-4768	37	10	the	the	DET
ap-4768	37	11	fracture	fracture	ADJ
ap-4768	37	12	toughness	toughness	NOUN
ap-4768	37	13	of	of	ADP
ap-4768	37	14	enamel	enamel	NOUN
ap-4768	37	15	do	do	AUX
ap-4768	37	16	not	not	PART
ap-4768	37	17	stem	stem	VERB
ap-4768	37	18	only	only	ADV
ap-4768	37	19	from	from	ADP
ap-4768	37	20	the	the	DET
ap-4768	37	21	inhomogeneous	inhomogeneous	ADJ
ap-4768	37	22	nature	nature	NOUN
ap-4768	37	23	of	of	ADP
ap-4768	37	24	enamel	enamel	NOUN
ap-4768	37	25	and	and	CCONJ
ap-4768	37	26	its	its	PRON
ap-4768	37	27	time	time	NOUN
ap-4768	37	28	-	-	PUNCT
ap-4768	37	29	dependent	dependent	ADJ
ap-4768	37	30	changes	change	NOUN
ap-4768	37	31	but	but	CCONJ
ap-4768	37	32	also	also	ADV
ap-4768	37	33	from	from	ADP
ap-4768	37	34	the	the	DET
ap-4768	37	35	chosen	choose	VERB
ap-4768	37	36	testing	testing	NOUN
ap-4768	37	37	method	method	NOUN
ap-4768	37	38	.	.	PUNCT
ap-4768	38	1	although	although	SCONJ
ap-4768	38	2	authors	author	NOUN
ap-4768	38	3	almost	almost	ADV
ap-4768	38	4	solely	solely	ADV
ap-4768	38	5	use	use	VERB
ap-4768	38	6	the	the	DET
ap-4768	38	7	microindentation	microindentation	NOUN
ap-4768	38	8	and	and	CCONJ
ap-4768	38	9	vickers	vicker	NOUN
ap-4768	38	10	indentation	indentation	PROPN
ap-4768	38	11	fracture	fracture	PROPN
ap-4768	38	12	test	test	NOUN
ap-4768	38	13	(	(	PUNCT
ap-4768	38	14	vif	vif	NOUN
ap-4768	38	15	)	)	PUNCT
ap-4768	38	16	for	for	ADP
ap-4768	38	17	fracture	fracture	ADJ
ap-4768	38	18	toughness	toughness	NOUN
ap-4768	38	19	determination	determination	NOUN
ap-4768	38	20	of	of	ADP
ap-4768	38	21	226	226	NUM
ap-4768	38	22	http://dx.doi.org/10.14311/ap.2018.58.0226	http://dx.doi.org/10.14311/ap.2018.58.0226	NOUN
ap-4768	38	23	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	NOUN
ap-4768	38	24	vol	vol	NOUN
ap-4768	38	25	.	.	PUNCT
ap-4768	39	1	58	58	NUM
ap-4768	40	1	no	no	INTJ
ap-4768	40	2	.	.	PUNCT
ap-4768	41	1	4/2018	4/2018	NUM
ap-4768	41	2	verification	verification	NOUN
ap-4768	41	3	of	of	ADP
ap-4768	41	4	behaviour	behaviour	NOUN
ap-4768	41	5	of	of	ADP
ap-4768	41	6	human	human	ADJ
ap-4768	41	7	enamel	enamel	NOUN
ap-4768	41	8	enamel	enamel	NOUN
ap-4768	41	9	,	,	PUNCT
ap-4768	41	10	the	the	DET
ap-4768	41	11	formulas	formula	NOUN
ap-4768	41	12	used	use	VERB
ap-4768	41	13	for	for	ADP
ap-4768	41	14	calculating	calculate	VERB
ap-4768	41	15	kic	kic	PROPN
ap-4768	41	16	differ	differ	VERB
ap-4768	41	17	.	.	PUNCT
ap-4768	42	1	the	the	DET
ap-4768	42	2	most	most	ADV
ap-4768	42	3	common	common	ADJ
ap-4768	42	4	formula	formula	NOUN
ap-4768	42	5	used	use	VERB
ap-4768	42	6	to	to	PART
ap-4768	42	7	calculate	calculate	VERB
ap-4768	42	8	values	value	NOUN
ap-4768	42	9	of	of	ADP
ap-4768	42	10	kic	kic	PROPN
ap-4768	42	11	is	be	AUX
ap-4768	42	12	as	as	SCONJ
ap-4768	42	13	follows	follow	VERB
ap-4768	42	14	[	[	X
ap-4768	42	15	6	6	NUM
ap-4768	42	16	]	]	PUNCT
ap-4768	42	17	:	:	PUNCT
ap-4768	43	1	kic	kic	PROPN
ap-4768	43	2	=	=	PUNCT
ap-4768	43	3	δ	δ	PROPN
ap-4768	43	4	(	(	PUNCT
ap-4768	43	5	e	e	NOUN
ap-4768	43	6	hit	hit	VERB
ap-4768	43	7	)	)	PUNCT
ap-4768	43	8	1/2	1/2	NUM
ap-4768	43	9	p	p	NOUN
ap-4768	43	10	a3/2	a3/2	ADJ
ap-4768	43	11	(	(	PUNCT
ap-4768	43	12	1	1	NUM
ap-4768	43	13	)	)	PUNCT
ap-4768	43	14	where	where	SCONJ
ap-4768	43	15	e	e	NOUN
ap-4768	43	16	is	be	AUX
ap-4768	43	17	the	the	DET
ap-4768	43	18	young	young	ADJ
ap-4768	43	19	’s	’s	PART
ap-4768	43	20	modulus	modulus	NOUN
ap-4768	43	21	,	,	PUNCT
ap-4768	43	22	hit	hit	VERB
ap-4768	43	23	is	be	AUX
ap-4768	43	24	the	the	DET
ap-4768	43	25	hardness	hardness	NOUN
ap-4768	43	26	,	,	PUNCT
ap-4768	43	27	p	p	PROPN
ap-4768	43	28	is	be	AUX
ap-4768	43	29	the	the	DET
ap-4768	43	30	applied	applied	ADJ
ap-4768	43	31	load	load	NOUN
ap-4768	43	32	,	,	PUNCT
ap-4768	43	33	a	a	PRON
ap-4768	43	34	is	be	AUX
ap-4768	43	35	the	the	DET
ap-4768	43	36	crack	crack	NOUN
ap-4768	43	37	length	length	NOUN
ap-4768	43	38	and	and	CCONJ
ap-4768	43	39	δ	δ	PROPN
ap-4768	43	40	is	be	AUX
ap-4768	43	41	calibration	calibration	NOUN
ap-4768	43	42	constant	constant	ADJ
ap-4768	43	43	.	.	PUNCT
ap-4768	44	1	the	the	DET
ap-4768	44	2	differences	difference	NOUN
ap-4768	44	3	in	in	ADP
ap-4768	44	4	the	the	DET
ap-4768	44	5	values	value	NOUN
ap-4768	44	6	of	of	ADP
ap-4768	44	7	calibration	calibration	NOUN
ap-4768	44	8	constants	constant	NOUN
ap-4768	44	9	seem	seem	VERB
ap-4768	44	10	to	to	PART
ap-4768	44	11	be	be	AUX
ap-4768	44	12	one	one	NUM
ap-4768	44	13	of	of	ADP
ap-4768	44	14	the	the	DET
ap-4768	44	15	main	main	ADJ
ap-4768	44	16	reasons	reason	NOUN
ap-4768	44	17	for	for	ADP
ap-4768	44	18	the	the	DET
ap-4768	44	19	different	different	ADJ
ap-4768	44	20	outcomes	outcome	NOUN
ap-4768	44	21	among	among	ADP
ap-4768	44	22	various	various	ADJ
ap-4768	44	23	researchers	researcher	NOUN
ap-4768	44	24	.	.	PUNCT
ap-4768	45	1	authors	author	NOUN
ap-4768	45	2	also	also	ADV
ap-4768	45	3	use	use	VERB
ap-4768	45	4	other	other	ADJ
ap-4768	45	5	formulas	formula	NOUN
ap-4768	45	6	,	,	PUNCT
ap-4768	45	7	which	which	PRON
ap-4768	45	8	take	take	VERB
ap-4768	45	9	into	into	ADP
ap-4768	45	10	account	account	NOUN
ap-4768	45	11	other	other	ADJ
ap-4768	45	12	parameters	parameter	NOUN
ap-4768	45	13	,	,	PUNCT
ap-4768	45	14	such	such	ADJ
ap-4768	45	15	as	as	ADP
ap-4768	45	16	the	the	DET
ap-4768	45	17	size	size	NOUN
ap-4768	45	18	of	of	ADP
ap-4768	45	19	the	the	DET
ap-4768	45	20	indent	indent	NOUN
ap-4768	45	21	,	,	PUNCT
ap-4768	45	22	the	the	DET
ap-4768	45	23	face	face	NOUN
ap-4768	45	24	angle	angle	NOUN
ap-4768	45	25	of	of	ADP
ap-4768	45	26	the	the	DET
ap-4768	45	27	indentation	indentation	NOUN
ap-4768	45	28	tip	tip	NOUN
ap-4768	45	29	etc	etc	X
ap-4768	45	30	.	.	X
ap-4768	46	1	because	because	SCONJ
ap-4768	46	2	of	of	ADP
ap-4768	46	3	these	these	DET
ap-4768	46	4	discrepancies	discrepancy	NOUN
ap-4768	46	5	,	,	PUNCT
ap-4768	46	6	the	the	DET
ap-4768	46	7	vif	vif	NOUN
ap-4768	46	8	method	method	NOUN
ap-4768	46	9	is	be	AUX
ap-4768	46	10	not	not	PART
ap-4768	46	11	seen	see	VERB
ap-4768	46	12	as	as	ADP
ap-4768	46	13	acceptable	acceptable	ADJ
ap-4768	46	14	for	for	ADP
ap-4768	46	15	the	the	DET
ap-4768	46	16	fracture	fracture	ADJ
ap-4768	46	17	toughness	toughness	NOUN
ap-4768	46	18	testing	testing	NOUN
ap-4768	46	19	by	by	ADP
ap-4768	46	20	some	some	DET
ap-4768	46	21	researchers	researcher	NOUN
ap-4768	46	22	.	.	PUNCT
ap-4768	47	1	quinn	quinn	NOUN
ap-4768	47	2	and	and	CCONJ
ap-4768	47	3	bradt	bradt	PROPN
ap-4768	47	4	,	,	PUNCT
ap-4768	47	5	in	in	ADP
ap-4768	47	6	their	their	PRON
ap-4768	47	7	review	review	NOUN
ap-4768	48	1	[	[	X
ap-4768	48	2	7	7	NUM
ap-4768	48	3	]	]	PUNCT
ap-4768	48	4	,	,	PUNCT
ap-4768	48	5	point	point	VERB
ap-4768	48	6	out	out	ADP
ap-4768	48	7	other	other	ADJ
ap-4768	48	8	problems	problem	NOUN
ap-4768	48	9	of	of	ADP
ap-4768	48	10	the	the	DET
ap-4768	48	11	vif	vif	NOUN
ap-4768	48	12	method	method	NOUN
ap-4768	48	13	.	.	PUNCT
ap-4768	49	1	the	the	DET
ap-4768	49	2	problems	problem	NOUN
ap-4768	49	3	are	be	AUX
ap-4768	49	4	,	,	PUNCT
ap-4768	49	5	for	for	ADP
ap-4768	49	6	example	example	NOUN
ap-4768	49	7	,	,	PUNCT
ap-4768	49	8	that	that	SCONJ
ap-4768	49	9	the	the	DET
ap-4768	49	10	vif	vif	NOUN
ap-4768	49	11	method	method	NOUN
ap-4768	49	12	does	do	AUX
ap-4768	49	13	not	not	PART
ap-4768	49	14	meet	meet	VERB
ap-4768	49	15	the	the	DET
ap-4768	49	16	definition	definition	NOUN
ap-4768	49	17	of	of	ADP
ap-4768	49	18	linear	linear	PROPN
ap-4768	49	19	fracture	fracture	NOUN
ap-4768	49	20	mechanics	mechanic	NOUN
ap-4768	49	21	as	as	SCONJ
ap-4768	49	22	there	there	PRON
ap-4768	49	23	is	be	VERB
ap-4768	49	24	no	no	DET
ap-4768	49	25	crack	crack	NOUN
ap-4768	49	26	in	in	ADP
ap-4768	49	27	the	the	DET
ap-4768	49	28	specimen	speciman	NOUN
ap-4768	49	29	at	at	ADP
ap-4768	49	30	the	the	DET
ap-4768	49	31	beginning	beginning	NOUN
ap-4768	49	32	of	of	ADP
ap-4768	49	33	a	a	DET
ap-4768	49	34	test	test	NOUN
ap-4768	49	35	.	.	PUNCT
ap-4768	50	1	the	the	DET
ap-4768	50	2	overall	overall	ADJ
ap-4768	50	3	results	result	NOUN
ap-4768	50	4	can	can	AUX
ap-4768	50	5	also	also	ADV
ap-4768	50	6	be	be	AUX
ap-4768	50	7	influenced	influence	VERB
ap-4768	50	8	by	by	ADP
ap-4768	50	9	the	the	DET
ap-4768	50	10	polishing	polishing	NOUN
ap-4768	50	11	of	of	ADP
ap-4768	50	12	a	a	DET
ap-4768	50	13	specimen	speciman	NOUN
ap-4768	50	14	,	,	PUNCT
ap-4768	50	15	the	the	DET
ap-4768	50	16	range	range	NOUN
ap-4768	50	17	of	of	ADP
ap-4768	50	18	applied	applied	ADJ
ap-4768	50	19	stress	stress	NOUN
ap-4768	50	20	,	,	PUNCT
ap-4768	50	21	which	which	PRON
ap-4768	50	22	causes	cause	VERB
ap-4768	50	23	initiation	initiation	NOUN
ap-4768	50	24	of	of	ADP
ap-4768	50	25	different	different	ADJ
ap-4768	50	26	types	type	NOUN
ap-4768	50	27	of	of	ADP
ap-4768	50	28	cracks	crack	NOUN
ap-4768	50	29	(	(	PUNCT
ap-4768	50	30	palmqvist	palmqvist	NOUN
ap-4768	50	31	,	,	PUNCT
ap-4768	50	32	median	median	NOUN
ap-4768	50	33	etc	etc	X
ap-4768	50	34	.	.	X
ap-4768	50	35	)	)	PUNCT
ap-4768	50	36	,	,	PUNCT
ap-4768	50	37	or	or	CCONJ
ap-4768	50	38	accuracy	accuracy	NOUN
ap-4768	50	39	of	of	ADP
ap-4768	50	40	measurement	measurement	NOUN
ap-4768	50	41	(	(	PUNCT
ap-4768	50	42	length	length	NOUN
ap-4768	50	43	of	of	ADP
ap-4768	50	44	cracks	crack	NOUN
ap-4768	50	45	)	)	PUNCT
ap-4768	50	46	.	.	PUNCT
ap-4768	51	1	a	a	DET
ap-4768	51	2	part	part	NOUN
ap-4768	51	3	of	of	ADP
ap-4768	51	4	the	the	DET
ap-4768	51	5	review	review	NOUN
ap-4768	51	6	was	be	AUX
ap-4768	51	7	also	also	ADV
ap-4768	51	8	dedicated	dedicate	VERB
ap-4768	51	9	to	to	ADP
ap-4768	51	10	a	a	DET
ap-4768	51	11	comparison	comparison	NOUN
ap-4768	51	12	of	of	ADP
ap-4768	51	13	results	result	NOUN
ap-4768	51	14	of	of	ADP
ap-4768	51	15	fracture	fracture	ADJ
ap-4768	51	16	toughness	toughness	NOUN
ap-4768	51	17	,	,	PUNCT
ap-4768	51	18	determined	determine	VERB
ap-4768	51	19	by	by	ADP
ap-4768	51	20	the	the	DET
ap-4768	51	21	vif	vif	NOUN
ap-4768	51	22	method	method	NOUN
ap-4768	51	23	using	use	VERB
ap-4768	51	24	three	three	NUM
ap-4768	51	25	different	different	ADJ
ap-4768	51	26	popular	popular	ADJ
ap-4768	51	27	equations	equation	NOUN
ap-4768	51	28	,	,	PUNCT
ap-4768	51	29	for	for	ADP
ap-4768	51	30	standard	standard	ADJ
ap-4768	51	31	reference	reference	NOUN
ap-4768	51	32	material	material	NOUN
ap-4768	51	33	(	(	PUNCT
ap-4768	51	34	srm	srm	NOUN
ap-4768	51	35	)	)	PUNCT
ap-4768	51	36	.	.	PUNCT
ap-4768	52	1	as	as	SCONJ
ap-4768	52	2	the	the	DET
ap-4768	52	3	authors	author	NOUN
ap-4768	52	4	expected	expect	VERB
ap-4768	52	5	,	,	PUNCT
ap-4768	52	6	none	none	NOUN
ap-4768	52	7	of	of	ADP
ap-4768	52	8	these	these	DET
ap-4768	52	9	equations	equation	NOUN
ap-4768	52	10	yielded	yield	VERB
ap-4768	52	11	correct	correct	ADJ
ap-4768	52	12	certified	certify	VERB
ap-4768	52	13	values	value	NOUN
ap-4768	52	14	of	of	ADP
ap-4768	52	15	fracture	fracture	ADJ
ap-4768	52	16	toughness	toughness	NOUN
ap-4768	52	17	for	for	ADP
ap-4768	52	18	the	the	DET
ap-4768	52	19	srm	srm	PROPN
ap-4768	52	20	.	.	PUNCT
ap-4768	53	1	the	the	DET
ap-4768	53	2	main	main	ADJ
ap-4768	53	3	goal	goal	NOUN
ap-4768	53	4	of	of	ADP
ap-4768	53	5	this	this	DET
ap-4768	53	6	study	study	NOUN
ap-4768	53	7	is	be	AUX
ap-4768	53	8	to	to	PART
ap-4768	53	9	assess	assess	VERB
ap-4768	53	10	the	the	DET
ap-4768	53	11	brittle	brittle	ADJ
ap-4768	53	12	behaviour	behaviour	NOUN
ap-4768	53	13	of	of	ADP
ap-4768	53	14	enamel	enamel	NOUN
ap-4768	53	15	during	during	ADP
ap-4768	53	16	nanoindentation	nanoindentation	NOUN
ap-4768	53	17	tests	test	NOUN
ap-4768	53	18	,	,	PUNCT
ap-4768	53	19	where	where	SCONJ
ap-4768	53	20	the	the	DET
ap-4768	53	21	sample	sample	NOUN
ap-4768	53	22	is	be	AUX
ap-4768	53	23	loaded	load	VERB
ap-4768	53	24	by	by	ADP
ap-4768	53	25	10–100×	10–100×	NUM
ap-4768	53	26	smaller	small	ADJ
ap-4768	53	27	forces	force	NOUN
ap-4768	53	28	than	than	ADP
ap-4768	53	29	during	during	ADP
ap-4768	53	30	the	the	DET
ap-4768	53	31	(	(	PUNCT
ap-4768	53	32	micro)indentation	micro)indentation	PROPN
ap-4768	53	33	,	,	PUNCT
ap-4768	53	34	which	which	PRON
ap-4768	53	35	is	be	AUX
ap-4768	53	36	used	use	VERB
ap-4768	53	37	in	in	ADP
ap-4768	53	38	experiments	experiment	NOUN
ap-4768	53	39	for	for	ADP
ap-4768	53	40	the	the	DET
ap-4768	53	41	fracture	fracture	ADJ
ap-4768	53	42	toughness	toughness	NOUN
ap-4768	53	43	determination	determination	NOUN
ap-4768	53	44	of	of	ADP
ap-4768	53	45	other	other	ADJ
ap-4768	53	46	authors	author	NOUN
ap-4768	53	47	[	[	X
ap-4768	53	48	2–4	2–4	NUM
ap-4768	53	49	,	,	PUNCT
ap-4768	53	50	8	8	NUM
ap-4768	53	51	]	]	PUNCT
ap-4768	53	52	.	.	PUNCT
ap-4768	54	1	the	the	DET
ap-4768	54	2	possibility	possibility	NOUN
ap-4768	54	3	of	of	ADP
ap-4768	54	4	using	use	VERB
ap-4768	54	5	nanoindentation	nanoindentation	NOUN
ap-4768	54	6	for	for	ADP
ap-4768	54	7	fracture	fracture	ADJ
ap-4768	54	8	toughness	toughness	NOUN
ap-4768	54	9	determination	determination	NOUN
ap-4768	54	10	by	by	ADP
ap-4768	54	11	the	the	DET
ap-4768	54	12	vif	vif	NOUN
ap-4768	54	13	method	method	NOUN
ap-4768	54	14	is	be	AUX
ap-4768	54	15	examined	examine	VERB
ap-4768	54	16	.	.	PUNCT
ap-4768	55	1	further	further	ADJ
ap-4768	55	2	effort	effort	NOUN
ap-4768	55	3	is	be	AUX
ap-4768	55	4	dedicated	dedicate	VERB
ap-4768	55	5	towards	towards	ADP
ap-4768	55	6	identifying	identify	VERB
ap-4768	55	7	the	the	DET
ap-4768	55	8	contribution	contribution	NOUN
ap-4768	55	9	of	of	ADP
ap-4768	55	10	other	other	ADJ
ap-4768	55	11	factors	factor	NOUN
ap-4768	55	12	to	to	ADP
ap-4768	55	13	the	the	DET
ap-4768	55	14	overall	overall	ADJ
ap-4768	55	15	results	result	NOUN
ap-4768	55	16	of	of	ADP
ap-4768	55	17	the	the	DET
ap-4768	55	18	fracture	fracture	ADJ
ap-4768	55	19	toughness	toughness	NOUN
ap-4768	55	20	test	test	NOUN
ap-4768	55	21	.	.	PUNCT
ap-4768	56	1	the	the	DET
ap-4768	56	2	work	work	NOUN
ap-4768	56	3	focuses	focus	VERB
ap-4768	56	4	on	on	ADP
ap-4768	56	5	the	the	DET
ap-4768	56	6	variations	variation	NOUN
ap-4768	56	7	of	of	ADP
ap-4768	56	8	reduced	reduced	ADJ
ap-4768	56	9	modulus	modulus	NOUN
ap-4768	56	10	er	er	INTJ
ap-4768	56	11	and	and	CCONJ
ap-4768	56	12	hardness	hardness	NOUN
ap-4768	56	13	hit	hit	VERB
ap-4768	56	14	as	as	ADP
ap-4768	56	15	a	a	DET
ap-4768	56	16	result	result	NOUN
ap-4768	56	17	of	of	ADP
ap-4768	56	18	initiation	initiation	NOUN
ap-4768	56	19	and	and	CCONJ
ap-4768	56	20	propagation	propagation	NOUN
ap-4768	56	21	of	of	ADP
ap-4768	56	22	cracks	crack	NOUN
ap-4768	56	23	that	that	PRON
ap-4768	56	24	form	form	VERB
ap-4768	56	25	under	under	ADP
ap-4768	56	26	10–150mn	10–150mn	NUM
ap-4768	56	27	force	force	NOUN
ap-4768	56	28	loads	load	NOUN
ap-4768	56	29	.	.	PUNCT
ap-4768	57	1	another	another	DET
ap-4768	57	2	observed	observe	VERB
ap-4768	57	3	factor	factor	NOUN
ap-4768	57	4	that	that	PRON
ap-4768	57	5	can	can	AUX
ap-4768	57	6	influence	influence	VERB
ap-4768	57	7	the	the	DET
ap-4768	57	8	measurements	measurement	NOUN
ap-4768	57	9	is	be	AUX
ap-4768	57	10	the	the	DET
ap-4768	57	11	loading	loading	NOUN
ap-4768	57	12	velocity	velocity	NOUN
ap-4768	57	13	.	.	PUNCT
ap-4768	58	1	at	at	ADP
ap-4768	58	2	the	the	DET
ap-4768	58	3	end	end	NOUN
ap-4768	58	4	of	of	ADP
ap-4768	58	5	this	this	DET
ap-4768	58	6	work	work	NOUN
ap-4768	58	7	an	an	DET
ap-4768	58	8	alternative	alternative	ADJ
ap-4768	58	9	method	method	NOUN
ap-4768	58	10	for	for	ADP
ap-4768	58	11	the	the	DET
ap-4768	58	12	fracture	fracture	ADJ
ap-4768	58	13	toughness	toughness	NOUN
ap-4768	58	14	determination	determination	NOUN
ap-4768	58	15	,	,	PUNCT
ap-4768	58	16	which	which	PRON
ap-4768	58	17	is	be	AUX
ap-4768	58	18	based	base	VERB
ap-4768	58	19	on	on	ADP
ap-4768	58	20	a	a	DET
ap-4768	58	21	dissipation	dissipation	NOUN
ap-4768	58	22	of	of	ADP
ap-4768	58	23	energy	energy	NOUN
ap-4768	58	24	,	,	PUNCT
ap-4768	58	25	is	be	AUX
ap-4768	58	26	presented	present	VERB
ap-4768	58	27	.	.	PUNCT
ap-4768	59	1	2	2	X
ap-4768	59	2	.	.	X
ap-4768	59	3	materials	material	NOUN
ap-4768	59	4	and	and	CCONJ
ap-4768	59	5	methods	method	NOUN
ap-4768	59	6	2.1	2.1	NUM
ap-4768	59	7	.	.	PUNCT
ap-4768	60	1	specimen	speciman	NOUN
ap-4768	60	2	preparation	preparation	NOUN
ap-4768	60	3	we	we	PRON
ap-4768	60	4	chose	choose	VERB
ap-4768	60	5	a	a	DET
ap-4768	60	6	human	human	ADJ
ap-4768	60	7	molar	molar	NOUN
ap-4768	60	8	with	with	ADP
ap-4768	60	9	no	no	DET
ap-4768	60	10	visible	visible	ADJ
ap-4768	60	11	defects	defect	NOUN
ap-4768	60	12	as	as	ADP
ap-4768	60	13	a	a	DET
ap-4768	60	14	test	test	NOUN
ap-4768	60	15	specimen	speciman	NOUN
ap-4768	60	16	for	for	ADP
ap-4768	60	17	our	our	PRON
ap-4768	60	18	research	research	NOUN
ap-4768	60	19	.	.	PUNCT
ap-4768	61	1	the	the	DET
ap-4768	61	2	molar	molar	ADJ
ap-4768	61	3	was	be	AUX
ap-4768	61	4	cleaned	clean	VERB
ap-4768	61	5	of	of	ADP
ap-4768	61	6	all	all	DET
ap-4768	61	7	impurities	impurity	NOUN
ap-4768	61	8	and	and	CCONJ
ap-4768	61	9	embedded	embed	VERB
ap-4768	61	10	into	into	ADP
ap-4768	61	11	a	a	DET
ap-4768	61	12	technical	technical	ADJ
ap-4768	61	13	dentacryl	dentacryl	NOUN
ap-4768	61	14	solution	solution	NOUN
ap-4768	61	15	from	from	ADP
ap-4768	61	16	the	the	DET
ap-4768	61	17	spofadental	spofadental	ADJ
ap-4768	61	18	company	company	NOUN
ap-4768	61	19	.	.	PUNCT
ap-4768	62	1	it	it	PRON
ap-4768	62	2	was	be	AUX
ap-4768	62	3	subsequently	subsequently	ADV
ap-4768	62	4	transversally	transversally	ADV
ap-4768	62	5	cut	cut	VERB
ap-4768	62	6	from	from	ADP
ap-4768	62	7	both	both	DET
ap-4768	62	8	sides	side	NOUN
ap-4768	62	9	to	to	PART
ap-4768	62	10	form	form	VERB
ap-4768	62	11	a	a	DET
ap-4768	62	12	15	15	NUM
ap-4768	62	13	mm	mm	NOUN
ap-4768	62	14	wide	wide	ADJ
ap-4768	62	15	specimen	speciman	NOUN
ap-4768	62	16	.	.	PUNCT
ap-4768	63	1	the	the	DET
ap-4768	63	2	sections	section	NOUN
ap-4768	63	3	were	be	AUX
ap-4768	63	4	made	make	VERB
ap-4768	63	5	using	use	VERB
ap-4768	63	6	a	a	DET
ap-4768	63	7	water	water	NOUN
ap-4768	63	8	-	-	PUNCT
ap-4768	63	9	cooled	cool	VERB
ap-4768	63	10	saw	saw	NOUN
ap-4768	63	11	cutter	cutter	NOUN
ap-4768	63	12	(	(	PUNCT
ap-4768	63	13	atm	atm	ADV
ap-4768	63	14	brillant	brillant	ADJ
ap-4768	63	15	210	210	NUM
ap-4768	63	16	,	,	PUNCT
ap-4768	63	17	austria	austria	PROPN
ap-4768	63	18	)	)	PUNCT
ap-4768	63	19	with	with	ADP
ap-4768	63	20	a	a	DET
ap-4768	63	21	diamond	diamond	NOUN
ap-4768	63	22	disc	disc	NOUN
ap-4768	63	23	.	.	PUNCT
ap-4768	64	1	the	the	DET
ap-4768	64	2	first	first	ADJ
ap-4768	64	3	section	section	NOUN
ap-4768	64	4	was	be	AUX
ap-4768	64	5	situated	situate	VERB
ap-4768	64	6	above	above	ADP
ap-4768	64	7	the	the	DET
ap-4768	64	8	tooth	tooth	NOUN
ap-4768	64	9	crown	crown	NOUN
ap-4768	64	10	and	and	CCONJ
ap-4768	64	11	the	the	DET
ap-4768	64	12	second	second	ADJ
ap-4768	64	13	inside	inside	ADP
ap-4768	64	14	its	its	PRON
ap-4768	64	15	root	root	NOUN
ap-4768	64	16	.	.	PUNCT
ap-4768	65	1	the	the	DET
ap-4768	65	2	sample	sample	NOUN
ap-4768	65	3	was	be	AUX
ap-4768	65	4	grinded	grind	VERB
ap-4768	65	5	with	with	ADP
ap-4768	65	6	a	a	DET
ap-4768	65	7	coarse	coarse	ADJ
ap-4768	65	8	silicon	silicon	NOUN
ap-4768	65	9	-	-	PUNCT
ap-4768	65	10	carbide	carbide	NOUN
ap-4768	65	11	(	(	PUNCT
ap-4768	65	12	sic	sic	ADJ
ap-4768	65	13	)	)	PUNCT
ap-4768	65	14	paper	paper	NOUN
ap-4768	65	15	(	(	PUNCT
ap-4768	65	16	coarseness	coarseness	NOUN
ap-4768	65	17	320	320	NUM
ap-4768	65	18	)	)	PUNCT
ap-4768	65	19	from	from	ADP
ap-4768	65	20	the	the	DET
ap-4768	65	21	side	side	NOUN
ap-4768	65	22	of	of	ADP
ap-4768	65	23	the	the	DET
ap-4768	65	24	crown	crown	NOUN
ap-4768	65	25	until	until	SCONJ
ap-4768	65	26	the	the	DET
ap-4768	65	27	section	section	NOUN
ap-4768	65	28	reached	reach	VERB
ap-4768	65	29	a	a	DET
ap-4768	65	30	desirable	desirable	ADJ
ap-4768	65	31	depth	depth	NOUN
ap-4768	65	32	of	of	ADP
ap-4768	65	33	enamel	enamel	NOUN
ap-4768	65	34	.	.	PUNCT
ap-4768	66	1	then	then	ADV
ap-4768	66	2	it	it	PRON
ap-4768	66	3	was	be	AUX
ap-4768	66	4	grinded	grind	VERB
ap-4768	66	5	again	again	ADV
ap-4768	66	6	with	with	ADP
ap-4768	66	7	finer	fine	ADJ
ap-4768	66	8	papers	paper	NOUN
ap-4768	66	9	(	(	PUNCT
ap-4768	66	10	coarseness	coarseness	NOUN
ap-4768	66	11	1000	1000	NUM
ap-4768	66	12	,	,	PUNCT
ap-4768	66	13	2500	2500	NUM
ap-4768	66	14	)	)	PUNCT
ap-4768	66	15	and	and	CCONJ
ap-4768	66	16	polished	polish	VERB
ap-4768	66	17	with	with	ADP
ap-4768	66	18	a	a	DET
ap-4768	66	19	diamond	diamond	NOUN
ap-4768	66	20	paste	paste	NOUN
ap-4768	66	21	(	(	PUNCT
ap-4768	66	22	0.25	0.25	NUM
ap-4768	66	23	µm	µm	NOUN
ap-4768	66	24	)	)	PUNCT
ap-4768	66	25	.	.	PUNCT
ap-4768	67	1	the	the	DET
ap-4768	67	2	thorough	thorough	ADJ
ap-4768	67	3	grinding	grinding	NOUN
ap-4768	67	4	and	and	CCONJ
ap-4768	67	5	polishing	polishing	NOUN
ap-4768	67	6	was	be	AUX
ap-4768	67	7	the	the	DET
ap-4768	67	8	most	most	ADV
ap-4768	67	9	important	important	ADJ
ap-4768	67	10	part	part	NOUN
ap-4768	67	11	of	of	ADP
ap-4768	67	12	the	the	DET
ap-4768	67	13	specimen	speciman	NOUN
ap-4768	67	14	preparation	preparation	NOUN
ap-4768	67	15	,	,	PUNCT
ap-4768	67	16	because	because	SCONJ
ap-4768	67	17	scratches	scratch	NOUN
ap-4768	67	18	in	in	ADP
ap-4768	67	19	the	the	DET
ap-4768	67	20	surface	surface	NOUN
ap-4768	67	21	of	of	ADP
ap-4768	67	22	the	the	DET
ap-4768	67	23	specimens	specimen	NOUN
ap-4768	67	24	could	could	AUX
ap-4768	67	25	impair	impair	VERB
ap-4768	67	26	the	the	DET
ap-4768	67	27	whole	whole	ADJ
ap-4768	67	28	measurement	measurement	NOUN
ap-4768	67	29	.	.	PUNCT
ap-4768	68	1	finally	finally	ADV
ap-4768	68	2	,	,	PUNCT
ap-4768	68	3	it	it	PRON
ap-4768	68	4	was	be	AUX
ap-4768	68	5	cleaned	clean	VERB
ap-4768	68	6	with	with	ADP
ap-4768	68	7	ultrasonic	ultrasonic	ADJ
ap-4768	68	8	waves	wave	NOUN
ap-4768	68	9	.	.	PUNCT
ap-4768	69	1	2.2	2.2	NUM
ap-4768	69	2	.	.	PUNCT
ap-4768	70	1	nanoindentation	nanoindentation	NOUN
ap-4768	70	2	method	method	NOUN
ap-4768	70	3	nanoindentation	nanoindentation	NOUN
ap-4768	70	4	was	be	AUX
ap-4768	70	5	performed	perform	VERB
ap-4768	70	6	on	on	ADP
ap-4768	70	7	the	the	DET
ap-4768	70	8	csm	csm	NOUN
ap-4768	70	9	instruments	instrument	NOUN
ap-4768	70	10	nano	nano	NOUN
ap-4768	70	11	hardness	hardness	NOUN
ap-4768	70	12	tester	tester	NOUN
ap-4768	70	13	(	(	PUNCT
ap-4768	70	14	anton	anton	NOUN
ap-4768	70	15	paar	paar	PROPN
ap-4768	70	16	,	,	PUNCT
ap-4768	70	17	austria	austria	PROPN
ap-4768	70	18	)	)	PUNCT
ap-4768	70	19	equipped	equip	VERB
ap-4768	70	20	with	with	ADP
ap-4768	70	21	a	a	DET
ap-4768	70	22	diamond	diamond	NOUN
ap-4768	70	23	cube	cube	NOUN
ap-4768	70	24	corner	corner	NOUN
ap-4768	70	25	tip	tip	NOUN
ap-4768	70	26	.	.	PUNCT
ap-4768	71	1	the	the	DET
ap-4768	71	2	indentation	indentation	NOUN
ap-4768	71	3	tip	tip	NOUN
ap-4768	71	4	was	be	AUX
ap-4768	71	5	chosen	choose	VERB
ap-4768	71	6	with	with	ADP
ap-4768	71	7	respect	respect	NOUN
ap-4768	71	8	to	to	ADP
ap-4768	71	9	the	the	DET
ap-4768	71	10	experiment	experiment	NOUN
ap-4768	71	11	as	as	ADP
ap-4768	71	12	the	the	DET
ap-4768	71	13	cube	cube	NOUN
ap-4768	71	14	corner	corner	NOUN
ap-4768	71	15	tip	tip	NOUN
ap-4768	71	16	has	have	VERB
ap-4768	71	17	a	a	DET
ap-4768	71	18	smaller	small	ADJ
ap-4768	71	19	face	face	NOUN
ap-4768	71	20	angle	angle	NOUN
ap-4768	71	21	(	(	PUNCT
ap-4768	71	22	35.26	35.26	NUM
ap-4768	71	23	°	°	NUM
ap-4768	71	24	)	)	PUNCT
ap-4768	71	25	compared	compare	VERB
ap-4768	71	26	to	to	ADP
ap-4768	71	27	the	the	DET
ap-4768	71	28	berkovich	berkovich	NOUN
ap-4768	71	29	(	(	PUNCT
ap-4768	71	30	65.27	65.27	NUM
ap-4768	71	31	°	°	NUM
ap-4768	71	32	)	)	PUNCT
ap-4768	71	33	or	or	CCONJ
ap-4768	71	34	vickers	vicker	NOUN
ap-4768	71	35	(	(	PUNCT
ap-4768	71	36	68	68	NUM
ap-4768	71	37	°	°	NUM
ap-4768	71	38	)	)	PUNCT
ap-4768	71	39	tip	tip	NOUN
ap-4768	71	40	,	,	PUNCT
ap-4768	71	41	so	so	CCONJ
ap-4768	71	42	it	it	PRON
ap-4768	71	43	is	be	AUX
ap-4768	71	44	sharper	sharp	ADJ
ap-4768	71	45	and	and	CCONJ
ap-4768	71	46	induces	induce	VERB
ap-4768	71	47	the	the	DET
ap-4768	71	48	cracks	crack	NOUN
ap-4768	71	49	easier	easy	ADJ
ap-4768	71	50	.	.	PUNCT
ap-4768	72	1	the	the	DET
ap-4768	72	2	sample	sample	NOUN
ap-4768	72	3	was	be	AUX
ap-4768	72	4	loaded	load	VERB
ap-4768	72	5	gradually	gradually	ADV
ap-4768	72	6	with	with	ADP
ap-4768	72	7	the	the	DET
ap-4768	72	8	force	force	NOUN
ap-4768	72	9	increasing	increase	VERB
ap-4768	72	10	without	without	ADP
ap-4768	72	11	oscillations	oscillation	NOUN
ap-4768	72	12	.	.	PUNCT
ap-4768	73	1	the	the	DET
ap-4768	73	2	unloading	unloading	NOUN
ap-4768	73	3	curve	curve	NOUN
ap-4768	73	4	slope	slope	NOUN
ap-4768	73	5	was	be	AUX
ap-4768	73	6	the	the	DET
ap-4768	73	7	same	same	ADJ
ap-4768	73	8	as	as	ADP
ap-4768	73	9	loading	loading	NOUN
ap-4768	73	10	curve	curve	NOUN
ap-4768	73	11	,	,	PUNCT
ap-4768	73	12	using	use	VERB
ap-4768	73	13	the	the	DET
ap-4768	73	14	same	same	ADJ
ap-4768	73	15	velocity	velocity	NOUN
ap-4768	73	16	.	.	PUNCT
ap-4768	74	1	the	the	DET
ap-4768	74	2	force	force	NOUN
ap-4768	74	3	-	-	PUNCT
ap-4768	74	4	controlled	control	VERB
ap-4768	74	5	test	test	NOUN
ap-4768	74	6	was	be	AUX
ap-4768	74	7	used	use	VERB
ap-4768	74	8	for	for	ADP
ap-4768	74	9	each	each	DET
ap-4768	74	10	cycle	cycle	NOUN
ap-4768	74	11	of	of	ADP
ap-4768	74	12	indentation	indentation	NOUN
ap-4768	74	13	.	.	PUNCT
ap-4768	75	1	for	for	ADP
ap-4768	75	2	determining	determine	VERB
ap-4768	75	3	the	the	DET
ap-4768	75	4	hardness	hardness	NOUN
ap-4768	75	5	hit	hit	NOUN
ap-4768	75	6	and	and	CCONJ
ap-4768	75	7	reduced	reduced	ADJ
ap-4768	75	8	modulus	modulus	NOUN
ap-4768	75	9	er	er	INTJ
ap-4768	75	10	,	,	PUNCT
ap-4768	75	11	the	the	DET
ap-4768	75	12	methodology	methodology	NOUN
ap-4768	75	13	of	of	ADP
ap-4768	75	14	oliver	oliver	PROPN
ap-4768	75	15	&	&	CCONJ
ap-4768	75	16	pharr	pharr	PROPN
ap-4768	75	17	was	be	AUX
ap-4768	75	18	used	use	VERB
ap-4768	75	19	[	[	PUNCT
ap-4768	75	20	9	9	NUM
ap-4768	75	21	]	]	PUNCT
ap-4768	75	22	.	.	PUNCT
ap-4768	76	1	this	this	DET
ap-4768	76	2	method	method	NOUN
ap-4768	76	3	uses	use	VERB
ap-4768	76	4	the	the	DET
ap-4768	76	5	unloading	unloading	NOUN
ap-4768	76	6	curve	curve	NOUN
ap-4768	76	7	and	and	CCONJ
ap-4768	76	8	the	the	DET
ap-4768	76	9	reduced	reduce	VERB
ap-4768	76	10	modulus	modulus	NOUN
ap-4768	76	11	is	be	AUX
ap-4768	76	12	calculated	calculate	VERB
ap-4768	76	13	as	as	SCONJ
ap-4768	76	14	follows	follow	VERB
ap-4768	76	15	:	:	PUNCT
ap-4768	76	16	er	er	INTJ
ap-4768	76	17	=	=	SYM
ap-4768	76	18	√	√	PROPN
ap-4768	76	19	π	π	PROPN
ap-4768	76	20	2	2	NUM
ap-4768	76	21	s√	s√	NOUN
ap-4768	76	22	a	a	DET
ap-4768	76	23	(	(	PUNCT
ap-4768	76	24	2	2	NUM
ap-4768	76	25	)	)	PUNCT
ap-4768	76	26	where	where	SCONJ
ap-4768	76	27	s	s	NOUN
ap-4768	76	28	is	be	AUX
ap-4768	76	29	the	the	DET
ap-4768	76	30	contact	contact	NOUN
ap-4768	76	31	stiffness	stiffness	NOUN
ap-4768	76	32	(	(	PUNCT
ap-4768	76	33	dp	dp	NOUN
ap-4768	76	34	/	/	SYM
ap-4768	76	35	dh	dh	NOUN
ap-4768	76	36	)	)	PUNCT
ap-4768	76	37	and	and	CCONJ
ap-4768	76	38	a	a	PRON
ap-4768	76	39	is	be	AUX
ap-4768	76	40	the	the	DET
ap-4768	76	41	contact	contact	NOUN
ap-4768	76	42	area	area	NOUN
ap-4768	76	43	of	of	ADP
ap-4768	76	44	the	the	DET
ap-4768	76	45	indent	indent	NOUN
ap-4768	76	46	determined	determine	VERB
ap-4768	76	47	from	from	ADP
ap-4768	76	48	the	the	DET
ap-4768	76	49	measured	measure	VERB
ap-4768	76	50	contact	contact	NOUN
ap-4768	76	51	depth	depth	NOUN
ap-4768	76	52	hc	hc	NOUN
ap-4768	76	53	.	.	PUNCT
ap-4768	77	1	unlike	unlike	ADP
ap-4768	77	2	young	young	PROPN
ap-4768	77	3	’s	’s	PART
ap-4768	77	4	modulus	modulus	NOUN
ap-4768	77	5	,	,	PUNCT
ap-4768	77	6	the	the	DET
ap-4768	77	7	reduced	reduced	ADJ
ap-4768	77	8	modulus	modulus	NOUN
ap-4768	77	9	takes	take	VERB
ap-4768	77	10	into	into	ADP
ap-4768	77	11	account	account	NOUN
ap-4768	77	12	the	the	DET
ap-4768	77	13	fact	fact	NOUN
ap-4768	77	14	that	that	SCONJ
ap-4768	77	15	the	the	DET
ap-4768	77	16	measured	measured	ADJ
ap-4768	77	17	contact	contact	NOUN
ap-4768	77	18	depth	depth	NOUN
ap-4768	77	19	is	be	AUX
ap-4768	77	20	the	the	DET
ap-4768	77	21	sum	sum	NOUN
ap-4768	77	22	of	of	ADP
ap-4768	77	23	the	the	DET
ap-4768	77	24	specimen	speciman	NOUN
ap-4768	77	25	deformation	deformation	NOUN
ap-4768	77	26	and	and	CCONJ
ap-4768	77	27	the	the	DET
ap-4768	77	28	deformation	deformation	NOUN
ap-4768	77	29	of	of	ADP
ap-4768	77	30	the	the	DET
ap-4768	77	31	indentation	indentation	NOUN
ap-4768	77	32	tip	tip	NOUN
ap-4768	77	33	itself	itself	PRON
ap-4768	77	34	.	.	PUNCT
ap-4768	78	1	hardness	hardness	INTJ
ap-4768	78	2	,	,	PUNCT
ap-4768	78	3	which	which	PRON
ap-4768	78	4	represents	represent	VERB
ap-4768	78	5	the	the	DET
ap-4768	78	6	material	material	NOUN
ap-4768	78	7	’s	’s	PART
ap-4768	78	8	resistance	resistance	NOUN
ap-4768	78	9	to	to	ADP
ap-4768	78	10	a	a	DET
ap-4768	78	11	localised	localise	VERB
ap-4768	78	12	plastic	plastic	NOUN
ap-4768	78	13	deformation	deformation	NOUN
ap-4768	78	14	induced	induce	VERB
ap-4768	78	15	by	by	ADP
ap-4768	78	16	a	a	DET
ap-4768	78	17	mechanical	mechanical	ADJ
ap-4768	78	18	indentation	indentation	NOUN
ap-4768	78	19	,	,	PUNCT
ap-4768	78	20	is	be	AUX
ap-4768	78	21	calculated	calculate	VERB
ap-4768	78	22	from	from	ADP
ap-4768	78	23	the	the	DET
ap-4768	78	24	maximum	maximum	ADJ
ap-4768	78	25	load	load	NOUN
ap-4768	78	26	pmax	pmax	ADJ
ap-4768	78	27	and	and	CCONJ
ap-4768	78	28	contact	contact	NOUN
ap-4768	78	29	area	area	NOUN
ap-4768	78	30	a	a	PRON
ap-4768	78	31	:	:	PUNCT
ap-4768	78	32	hit	hit	NOUN
ap-4768	78	33	=	=	SYM
ap-4768	78	34	pmax	pmax	NOUN
ap-4768	78	35	a	a	PRON
ap-4768	78	36	(	(	PUNCT
ap-4768	78	37	3	3	NUM
ap-4768	78	38	)	)	PUNCT
ap-4768	78	39	for	for	ADP
ap-4768	78	40	determining	determine	VERB
ap-4768	78	41	the	the	DET
ap-4768	78	42	value	value	NOUN
ap-4768	78	43	changes	change	NOUN
ap-4768	78	44	of	of	ADP
ap-4768	78	45	er	er	INTJ
ap-4768	78	46	and	and	CCONJ
ap-4768	78	47	hit	hit	VERB
ap-4768	78	48	due	due	ADP
ap-4768	78	49	to	to	ADP
ap-4768	78	50	initiation	initiation	NOUN
ap-4768	78	51	and	and	CCONJ
ap-4768	78	52	propagation	propagation	NOUN
ap-4768	78	53	of	of	ADP
ap-4768	78	54	cracks	crack	NOUN
ap-4768	78	55	and	and	CCONJ
ap-4768	78	56	evaluating	evaluate	VERB
ap-4768	78	57	the	the	DET
ap-4768	78	58	use	use	NOUN
ap-4768	78	59	of	of	ADP
ap-4768	78	60	nanoindentation	nanoindentation	NOUN
ap-4768	78	61	for	for	ADP
ap-4768	78	62	measuring	measure	VERB
ap-4768	78	63	the	the	DET
ap-4768	78	64	fracture	fracture	ADJ
ap-4768	78	65	toughness	toughness	NOUN
ap-4768	78	66	of	of	ADP
ap-4768	78	67	enamel	enamel	NOUN
ap-4768	78	68	5×	5×	PROPN
ap-4768	78	69	16	16	NUM
ap-4768	78	70	indents	indent	NOUN
ap-4768	78	71	were	be	AUX
ap-4768	78	72	performed	perform	VERB
ap-4768	78	73	.	.	PUNCT
ap-4768	79	1	each	each	PRON
ap-4768	79	2	of	of	ADP
ap-4768	79	3	these	these	DET
ap-4768	79	4	5	5	NUM
ap-4768	79	5	matrices	matrix	NOUN
ap-4768	79	6	had	have	VERB
ap-4768	79	7	a	a	DET
ap-4768	79	8	different	different	ADJ
ap-4768	79	9	value	value	NOUN
ap-4768	79	10	of	of	ADP
ap-4768	79	11	maximum	maximum	ADJ
ap-4768	79	12	applied	apply	VERB
ap-4768	79	13	load	load	NOUN
ap-4768	79	14	(	(	PUNCT
ap-4768	79	15	10	10	NUM
ap-4768	79	16	,	,	PUNCT
ap-4768	79	17	20	20	NUM
ap-4768	79	18	,	,	PUNCT
ap-4768	79	19	40	40	NUM
ap-4768	79	20	,	,	PUNCT
ap-4768	79	21	80	80	NUM
ap-4768	79	22	and	and	CCONJ
ap-4768	79	23	150mn	150mn	NOUN
ap-4768	79	24	)	)	PUNCT
ap-4768	79	25	.	.	PUNCT
ap-4768	80	1	the	the	DET
ap-4768	80	2	indentation	indentation	NOUN
ap-4768	80	3	cycle	cycle	NOUN
ap-4768	80	4	of	of	ADP
ap-4768	80	5	all	all	DET
ap-4768	80	6	matrices	matrix	NOUN
ap-4768	80	7	was	be	AUX
ap-4768	80	8	identical	identical	ADJ
ap-4768	80	9	.	.	PUNCT
ap-4768	81	1	the	the	DET
ap-4768	81	2	loading	loading	NOUN
ap-4768	81	3	consisted	consist	VERB
ap-4768	81	4	of	of	ADP
ap-4768	81	5	3	3	NUM
ap-4768	81	6	steps	step	NOUN
ap-4768	81	7	—	—	PUNCT
ap-4768	81	8	the	the	DET
ap-4768	81	9	loading	loading	NOUN
ap-4768	81	10	curve	curve	NOUN
ap-4768	81	11	(	(	PUNCT
ap-4768	81	12	120mn	120mn	PROPN
ap-4768	81	13	/	/	SYM
ap-4768	81	14	min	min	NOUN
ap-4768	81	15	)	)	PUNCT
ap-4768	81	16	,	,	PUNCT
ap-4768	81	17	constant	constant	ADJ
ap-4768	81	18	load	load	NOUN
ap-4768	81	19	(	(	PUNCT
ap-4768	81	20	10	10	NUM
ap-4768	81	21	sec	sec	PROPN
ap-4768	81	22	)	)	PUNCT
ap-4768	81	23	and	and	CCONJ
ap-4768	81	24	unloading	unloading	NOUN
ap-4768	81	25	(	(	PUNCT
ap-4768	81	26	120mn	120mn	PROPN
ap-4768	81	27	/	/	SYM
ap-4768	81	28	min	min	NOUN
ap-4768	81	29	)	)	PUNCT
ap-4768	81	30	.	.	PUNCT
ap-4768	82	1	the	the	DET
ap-4768	82	2	10	10	NUM
ap-4768	82	3	-	-	PUNCT
ap-4768	82	4	second	second	NOUN
ap-4768	82	5	long	long	ADJ
ap-4768	82	6	constant	constant	ADJ
ap-4768	82	7	load	load	NOUN
ap-4768	82	8	was	be	AUX
ap-4768	82	9	227	227	NUM
ap-4768	82	10	p.	p.	NOUN
ap-4768	82	11	hájková	hájková	ADV
ap-4768	82	12	,	,	PUNCT
ap-4768	82	13	a.	a.	PROPN
ap-4768	82	14	jíra	jíra	PROPN
ap-4768	82	15	,	,	PUNCT
ap-4768	82	16	l.	l.	PROPN
ap-4768	82	17	řehounek	řehounek	PROPN
ap-4768	82	18	acta	acta	PROPN
ap-4768	82	19	polytechnica	polytechnica	PROPN
ap-4768	82	20	figure	figure	NOUN
ap-4768	82	21	1	1	NUM
ap-4768	82	22	.	.	PUNCT
ap-4768	82	23	picture	picture	NOUN
ap-4768	82	24	of	of	ADP
ap-4768	82	25	indents	indent	NOUN
ap-4768	82	26	performed	perform	VERB
ap-4768	82	27	by	by	ADP
ap-4768	82	28	scanning	scan	VERB
ap-4768	82	29	electron	electron	NOUN
ap-4768	82	30	microscopy	microscopy	NOUN
ap-4768	82	31	(	(	PUNCT
ap-4768	82	32	tescan	tescan	PROPN
ap-4768	82	33	mira	mira	X
ap-4768	82	34	,	,	PUNCT
ap-4768	82	35	czech	czech	PROPN
ap-4768	82	36	republic	republic	NOUN
ap-4768	82	37	)	)	PUNCT
ap-4768	82	38	.	.	PUNCT
ap-4768	83	1	different	different	ADJ
ap-4768	83	2	types	type	NOUN
ap-4768	83	3	of	of	ADP
ap-4768	83	4	cracks	crack	NOUN
ap-4768	83	5	:	:	PUNCT
ap-4768	83	6	a	a	X
ap-4768	83	7	)	)	PUNCT
ap-4768	83	8	palmqvist	palmqvist	NOUN
ap-4768	83	9	or	or	CCONJ
ap-4768	83	10	half	half	ADJ
ap-4768	83	11	-	-	PUNCT
ap-4768	83	12	penny	penny	NOUN
ap-4768	83	13	cracks	crack	NOUN
ap-4768	83	14	,	,	PUNCT
ap-4768	83	15	b	b	X
ap-4768	83	16	)	)	PUNCT
ap-4768	83	17	splitting	splitting	NOUN
ap-4768	83	18	off	off	ADP
ap-4768	83	19	,	,	PUNCT
ap-4768	83	20	delamination	delamination	NOUN
ap-4768	83	21	and	and	CCONJ
ap-4768	83	22	c	c	NOUN
ap-4768	83	23	)	)	PUNCT
ap-4768	83	24	radial	radial	ADJ
ap-4768	83	25	cracks	crack	NOUN
ap-4768	83	26	going	go	VERB
ap-4768	83	27	through	through	ADP
ap-4768	83	28	the	the	DET
ap-4768	83	29	indent	indent	NOUN
ap-4768	83	30	.	.	PUNCT
ap-4768	84	1	d	d	X
ap-4768	84	2	)	)	PUNCT
ap-4768	84	3	indent	indent	NOUN
ap-4768	84	4	performed	perform	VERB
ap-4768	84	5	in	in	ADP
ap-4768	84	6	dentin	dentin	NOUN
ap-4768	84	7	.	.	PUNCT
ap-4768	84	8	applied	apply	VERB
ap-4768	84	9	in	in	ADP
ap-4768	84	10	order	order	NOUN
ap-4768	84	11	to	to	PART
ap-4768	84	12	eliminate	eliminate	VERB
ap-4768	84	13	the	the	DET
ap-4768	84	14	creep	creep	PROPN
ap-4768	84	15	influence	influence	NOUN
ap-4768	84	16	on	on	ADP
ap-4768	84	17	the	the	DET
ap-4768	84	18	final	final	ADJ
ap-4768	84	19	results	result	NOUN
ap-4768	84	20	.	.	PUNCT
ap-4768	85	1	the	the	DET
ap-4768	85	2	contact	contact	NOUN
ap-4768	85	3	depth	depth	NOUN
ap-4768	85	4	varied	varied	ADJ
ap-4768	85	5	between	between	ADP
ap-4768	85	6	787–3759	787–3759	NUM
ap-4768	85	7	nm	nm	NOUN
ap-4768	85	8	depending	depend	VERB
ap-4768	85	9	on	on	ADP
ap-4768	85	10	the	the	DET
ap-4768	85	11	maximum	maximum	ADJ
ap-4768	85	12	applied	apply	VERB
ap-4768	85	13	load	load	NOUN
ap-4768	85	14	.	.	PUNCT
ap-4768	86	1	the	the	DET
ap-4768	86	2	distance	distance	NOUN
ap-4768	86	3	of	of	ADP
ap-4768	86	4	individual	individual	ADJ
ap-4768	86	5	indents	indent	NOUN
ap-4768	86	6	was	be	AUX
ap-4768	86	7	chosen	choose	VERB
ap-4768	86	8	in	in	ADP
ap-4768	86	9	regard	regard	NOUN
ap-4768	86	10	to	to	ADP
ap-4768	86	11	the	the	DET
ap-4768	86	12	anticipated	anticipate	VERB
ap-4768	86	13	contact	contact	NOUN
ap-4768	86	14	depth	depth	NOUN
ap-4768	86	15	so	so	SCONJ
ap-4768	86	16	the	the	DET
ap-4768	86	17	distance	distance	NOUN
ap-4768	86	18	between	between	ADP
ap-4768	86	19	the	the	DET
ap-4768	86	20	individual	individual	ADJ
ap-4768	86	21	indents	indent	NOUN
ap-4768	86	22	was	be	AUX
ap-4768	86	23	at	at	ADP
ap-4768	86	24	least	least	ADJ
ap-4768	86	25	2×	2×	NUM
ap-4768	86	26	greater	great	ADJ
ap-4768	86	27	than	than	ADP
ap-4768	86	28	the	the	DET
ap-4768	86	29	indent	indent	NOUN
ap-4768	86	30	itself	itself	PRON
ap-4768	86	31	but	but	CCONJ
ap-4768	86	32	also	also	ADV
ap-4768	86	33	as	as	ADV
ap-4768	86	34	small	small	ADJ
ap-4768	86	35	as	as	ADP
ap-4768	86	36	possible	possible	ADJ
ap-4768	86	37	so	so	SCONJ
ap-4768	86	38	it	it	PRON
ap-4768	86	39	would	would	AUX
ap-4768	86	40	not	not	PART
ap-4768	86	41	be	be	AUX
ap-4768	86	42	influenced	influence	VERB
ap-4768	86	43	by	by	ADP
ap-4768	86	44	the	the	DET
ap-4768	86	45	inhomogeneities	inhomogeneity	NOUN
ap-4768	86	46	caused	cause	VERB
ap-4768	86	47	by	by	ADP
ap-4768	86	48	the	the	DET
ap-4768	86	49	transition	transition	NOUN
ap-4768	86	50	from	from	ADP
ap-4768	86	51	the	the	DET
ap-4768	86	52	dej	dej	NOUN
ap-4768	86	53	to	to	ADP
ap-4768	86	54	the	the	DET
ap-4768	86	55	outer	outer	ADJ
ap-4768	86	56	tooth	tooth	NOUN
ap-4768	86	57	surface	surface	NOUN
ap-4768	86	58	.	.	PUNCT
ap-4768	87	1	the	the	DET
ap-4768	87	2	distance	distance	NOUN
ap-4768	87	3	,	,	PUNCT
ap-4768	87	4	which	which	PRON
ap-4768	87	5	is	be	AUX
ap-4768	87	6	too	too	ADV
ap-4768	87	7	small	small	ADJ
ap-4768	87	8	,	,	PUNCT
ap-4768	87	9	can	can	AUX
ap-4768	87	10	influence	influence	VERB
ap-4768	87	11	the	the	DET
ap-4768	87	12	final	final	ADJ
ap-4768	87	13	results	result	NOUN
ap-4768	87	14	due	due	ADP
ap-4768	87	15	to	to	ADP
ap-4768	87	16	an	an	DET
ap-4768	87	17	overlap	overlap	NOUN
ap-4768	87	18	of	of	ADP
ap-4768	87	19	plastic	plastic	ADJ
ap-4768	87	20	areas	area	NOUN
ap-4768	87	21	.	.	PUNCT
ap-4768	88	1	for	for	ADP
ap-4768	88	2	evaluating	evaluate	VERB
ap-4768	88	3	the	the	DET
ap-4768	88	4	influence	influence	NOUN
ap-4768	88	5	of	of	ADP
ap-4768	88	6	the	the	DET
ap-4768	88	7	load	load	NOUN
ap-4768	88	8	velocity	velocity	NOUN
ap-4768	88	9	on	on	ADP
ap-4768	88	10	the	the	DET
ap-4768	88	11	brittle	brittle	ADJ
ap-4768	88	12	behaviour	behaviour	NOUN
ap-4768	88	13	of	of	ADP
ap-4768	88	14	enamel	enamel	NOUN
ap-4768	88	15	,	,	PUNCT
ap-4768	88	16	3×	3×	NUM
ap-4768	88	17	25	25	NUM
ap-4768	88	18	indents	indent	NOUN
ap-4768	88	19	were	be	AUX
ap-4768	88	20	performed	perform	VERB
ap-4768	88	21	.	.	PUNCT
ap-4768	89	1	the	the	DET
ap-4768	89	2	maximum	maximum	ADJ
ap-4768	89	3	applied	apply	VERB
ap-4768	89	4	load	load	NOUN
ap-4768	89	5	(	(	PUNCT
ap-4768	89	6	150mn	150mn	NOUN
ap-4768	89	7	)	)	PUNCT
ap-4768	89	8	was	be	AUX
ap-4768	89	9	identical	identical	ADJ
ap-4768	89	10	for	for	ADP
ap-4768	89	11	all	all	DET
ap-4768	89	12	indents	indent	NOUN
ap-4768	89	13	.	.	PUNCT
ap-4768	90	1	the	the	DET
ap-4768	90	2	maximum	maximum	ADJ
ap-4768	90	3	value	value	NOUN
ap-4768	90	4	of	of	ADP
ap-4768	90	5	loading	loading	NOUN
ap-4768	90	6	force	force	NOUN
ap-4768	90	7	applicable	applicable	ADJ
ap-4768	90	8	by	by	ADP
ap-4768	90	9	the	the	DET
ap-4768	90	10	testing	testing	NOUN
ap-4768	90	11	instrument	instrument	NOUN
ap-4768	90	12	was	be	AUX
ap-4768	90	13	chosen	choose	VERB
ap-4768	90	14	in	in	ADP
ap-4768	90	15	regard	regard	NOUN
ap-4768	90	16	to	to	ADP
ap-4768	90	17	the	the	DET
ap-4768	90	18	maximization	maximization	NOUN
ap-4768	90	19	of	of	ADP
ap-4768	90	20	the	the	DET
ap-4768	90	21	crack	crack	NOUN
ap-4768	90	22	propagation	propagation	NOUN
ap-4768	90	23	.	.	PUNCT
ap-4768	91	1	the	the	DET
ap-4768	91	2	indentation	indentation	NOUN
ap-4768	91	3	cycle	cycle	NOUN
ap-4768	91	4	for	for	ADP
ap-4768	91	5	individual	individual	ADJ
ap-4768	91	6	matrices	matrix	NOUN
ap-4768	91	7	consisted	consist	VERB
ap-4768	91	8	of	of	ADP
ap-4768	91	9	loading	load	VERB
ap-4768	91	10	with	with	ADP
ap-4768	91	11	the	the	DET
ap-4768	91	12	velocity	velocity	NOUN
ap-4768	91	13	of	of	ADP
ap-4768	91	14	60	60	NUM
ap-4768	91	15	,	,	PUNCT
ap-4768	91	16	250	250	NUM
ap-4768	91	17	and	and	CCONJ
ap-4768	91	18	450mn	450mn	PROPN
ap-4768	91	19	/	/	SYM
ap-4768	91	20	min	min	PROPN
ap-4768	91	21	up	up	ADP
ap-4768	91	22	to	to	ADP
ap-4768	91	23	the	the	DET
ap-4768	91	24	maximum	maximum	ADJ
ap-4768	91	25	value	value	NOUN
ap-4768	91	26	of	of	ADP
ap-4768	91	27	force	force	NOUN
ap-4768	91	28	(	(	PUNCT
ap-4768	91	29	150mn	150mn	NOUN
ap-4768	91	30	)	)	PUNCT
ap-4768	91	31	and	and	CCONJ
ap-4768	91	32	immediate	immediate	ADJ
ap-4768	91	33	unloading	unloading	NOUN
ap-4768	91	34	at	at	ADP
ap-4768	91	35	the	the	DET
ap-4768	91	36	same	same	ADJ
ap-4768	91	37	velocity	velocity	NOUN
ap-4768	91	38	.	.	PUNCT
ap-4768	92	1	the	the	DET
ap-4768	92	2	contact	contact	NOUN
ap-4768	92	3	depth	depth	NOUN
ap-4768	92	4	varied	varied	ADJ
ap-4768	92	5	between	between	ADP
ap-4768	92	6	3260	3260	NUM
ap-4768	92	7	–	–	PUNCT
ap-4768	92	8	3835	3835	NUM
ap-4768	92	9	nm	nm	NOUN
ap-4768	92	10	.	.	PUNCT
ap-4768	93	1	the	the	DET
ap-4768	93	2	distance	distance	NOUN
ap-4768	93	3	between	between	ADP
ap-4768	93	4	individual	individual	ADJ
ap-4768	93	5	indents	indent	NOUN
ap-4768	93	6	was	be	AUX
ap-4768	93	7	50	50	NUM
ap-4768	93	8	µm	µm	NOUN
ap-4768	93	9	,	,	PUNCT
ap-4768	93	10	just	just	ADV
ap-4768	93	11	as	as	ADP
ap-4768	93	12	during	during	ADP
ap-4768	93	13	the	the	DET
ap-4768	93	14	previous	previous	ADJ
ap-4768	93	15	experiment	experiment	NOUN
ap-4768	93	16	for	for	ADP
ap-4768	93	17	the	the	DET
ap-4768	93	18	maximum	maximum	ADJ
ap-4768	93	19	value	value	NOUN
ap-4768	93	20	of	of	ADP
ap-4768	93	21	150mn	150mn	NOUN
ap-4768	93	22	.	.	PUNCT
ap-4768	94	1	3	3	X
ap-4768	94	2	.	.	NOUN
ap-4768	94	3	results	result	VERB
ap-4768	94	4	the	the	DET
ap-4768	94	5	brittle	brittle	ADJ
ap-4768	94	6	behaviour	behaviour	NOUN
ap-4768	94	7	of	of	ADP
ap-4768	94	8	enamel	enamel	NOUN
ap-4768	94	9	during	during	ADP
ap-4768	94	10	the	the	DET
ap-4768	94	11	nanoindentation	nanoindentation	NOUN
ap-4768	94	12	,	,	PUNCT
ap-4768	94	13	when	when	SCONJ
ap-4768	94	14	the	the	DET
ap-4768	94	15	sample	sample	NOUN
ap-4768	94	16	was	be	AUX
ap-4768	94	17	loaded	load	VERB
ap-4768	94	18	with	with	ADP
ap-4768	94	19	forces	force	NOUN
ap-4768	94	20	of	of	ADP
ap-4768	94	21	10	10	NUM
ap-4768	94	22	-	-	PUNCT
ap-4768	94	23	150mn	150mn	NOUN
ap-4768	94	24	,	,	PUNCT
ap-4768	94	25	was	be	AUX
ap-4768	94	26	different	different	ADJ
ap-4768	94	27	from	from	ADP
ap-4768	94	28	the	the	DET
ap-4768	94	29	behaviour	behaviour	NOUN
ap-4768	94	30	other	other	ADJ
ap-4768	94	31	authors	author	NOUN
ap-4768	94	32	describe	describe	VERB
ap-4768	94	33	for	for	ADP
ap-4768	94	34	(	(	PUNCT
ap-4768	94	35	micro)indentation	micro)indentation	NOUN
ap-4768	94	36	and	and	CCONJ
ap-4768	94	37	loading	load	VERB
ap-4768	94	38	with	with	ADP
ap-4768	94	39	forces	force	NOUN
ap-4768	94	40	of	of	ADP
ap-4768	94	41	1–10n	1–10n	NUM
ap-4768	94	42	[	[	SYM
ap-4768	94	43	2	2	NUM
ap-4768	94	44	,	,	PUNCT
ap-4768	94	45	4	4	NUM
ap-4768	94	46	,	,	PUNCT
ap-4768	94	47	10	10	NUM
ap-4768	94	48	]	]	PUNCT
ap-4768	94	49	.	.	PUNCT
ap-4768	95	1	they	they	PRON
ap-4768	95	2	describe	describe	VERB
ap-4768	95	3	the	the	DET
ap-4768	95	4	initiation	initiation	NOUN
ap-4768	95	5	of	of	ADP
ap-4768	95	6	either	either	CCONJ
ap-4768	95	7	palmqvist	palmqvist	ADJ
ap-4768	95	8	or	or	CCONJ
ap-4768	95	9	half	half	ADJ
ap-4768	95	10	-	-	PUNCT
ap-4768	95	11	penny	penny	NOUN
ap-4768	95	12	cracks	crack	NOUN
ap-4768	95	13	,	,	PUNCT
ap-4768	95	14	which	which	PRON
ap-4768	95	15	are	be	AUX
ap-4768	95	16	necessary	necessary	ADJ
ap-4768	95	17	for	for	ADP
ap-4768	95	18	the	the	DET
ap-4768	95	19	determination	determination	NOUN
ap-4768	95	20	of	of	ADP
ap-4768	95	21	fracture	fracture	ADJ
ap-4768	95	22	toughness	toughness	NOUN
ap-4768	95	23	by	by	ADP
ap-4768	95	24	the	the	DET
ap-4768	95	25	vif	vif	NOUN
ap-4768	95	26	method	method	NOUN
ap-4768	95	27	.	.	PUNCT
ap-4768	96	1	these	these	DET
ap-4768	96	2	cracks	crack	NOUN
ap-4768	96	3	were	be	AUX
ap-4768	96	4	rarely	rarely	ADV
ap-4768	96	5	encountered	encounter	VERB
ap-4768	96	6	in	in	ADP
ap-4768	96	7	our	our	PRON
ap-4768	96	8	study	study	NOUN
ap-4768	96	9	(	(	PUNCT
ap-4768	96	10	fig	fig	NOUN
ap-4768	96	11	.	.	PUNCT
ap-4768	97	1	1a	1a	NOUN
ap-4768	97	2	)	)	PUNCT
ap-4768	97	3	,	,	PUNCT
ap-4768	97	4	splitting	split	VERB
ap-4768	97	5	off	off	ADP
ap-4768	97	6	and	and	CCONJ
ap-4768	97	7	delamination	delamination	NOUN
ap-4768	97	8	(	(	PUNCT
ap-4768	97	9	fig	fig	NOUN
ap-4768	97	10	.	.	PUNCT
ap-4768	98	1	1b	1b	NUM
ap-4768	98	2	)	)	PUNCT
ap-4768	98	3	were	be	AUX
ap-4768	98	4	seen	see	VERB
ap-4768	98	5	more	more	ADV
ap-4768	98	6	often	often	ADV
ap-4768	98	7	.	.	PUNCT
ap-4768	99	1	radial	radial	ADJ
ap-4768	99	2	cracks	crack	NOUN
ap-4768	99	3	were	be	AUX
ap-4768	99	4	also	also	ADV
ap-4768	99	5	observed	observe	VERB
ap-4768	99	6	,	,	PUNCT
ap-4768	99	7	but	but	CCONJ
ap-4768	99	8	it	it	PRON
ap-4768	99	9	did	do	AUX
ap-4768	99	10	not	not	PART
ap-4768	99	11	radiate	radiate	VERB
ap-4768	99	12	from	from	ADP
ap-4768	99	13	all	all	DET
ap-4768	99	14	peaks	peak	NOUN
ap-4768	99	15	of	of	ADP
ap-4768	99	16	the	the	DET
ap-4768	99	17	indent	indent	NOUN
ap-4768	99	18	,	,	PUNCT
ap-4768	99	19	there	there	PRON
ap-4768	99	20	was	be	VERB
ap-4768	99	21	just	just	ADV
ap-4768	99	22	one	one	NUM
ap-4768	99	23	crack	crack	NOUN
ap-4768	99	24	going	go	VERB
ap-4768	99	25	through	through	ADP
ap-4768	99	26	the	the	DET
ap-4768	99	27	indent	indent	NOUN
ap-4768	99	28	(	(	PUNCT
ap-4768	99	29	fig	fig	NOUN
ap-4768	99	30	.	.	PUNCT
ap-4768	100	1	1c	1c	NOUN
ap-4768	100	2	)	)	PUNCT
ap-4768	100	3	.	.	PUNCT
ap-4768	101	1	to	to	PART
ap-4768	101	2	highlight	highlight	VERB
ap-4768	101	3	the	the	DET
ap-4768	101	4	enamel	enamel	NOUN
ap-4768	101	5	’s	’s	PART
ap-4768	101	6	brittleness	brittleness	NOUN
ap-4768	101	7	and	and	CCONJ
ap-4768	101	8	to	to	PART
ap-4768	101	9	show	show	VERB
ap-4768	101	10	a	a	DET
ap-4768	101	11	comparison	comparison	NOUN
ap-4768	101	12	between	between	ADP
ap-4768	101	13	different	different	ADJ
ap-4768	101	14	dental	dental	ADJ
ap-4768	101	15	tissues	tissue	NOUN
ap-4768	101	16	,	,	PUNCT
ap-4768	101	17	a	a	DET
ap-4768	101	18	picture	picture	NOUN
ap-4768	101	19	describing	describe	VERB
ap-4768	101	20	the	the	DET
ap-4768	101	21	indent	indent	NOUN
ap-4768	101	22	performed	perform	VERB
ap-4768	101	23	with	with	ADP
ap-4768	101	24	the	the	DET
ap-4768	101	25	same	same	ADJ
ap-4768	101	26	force	force	NOUN
ap-4768	101	27	located	locate	VERB
ap-4768	101	28	in	in	ADP
ap-4768	101	29	dentin	dentin	NOUN
ap-4768	101	30	(	(	PUNCT
ap-4768	101	31	fig	fig	NOUN
ap-4768	101	32	.	.	PUNCT
ap-4768	102	1	1d	1d	NUM
ap-4768	102	2	)	)	PUNCT
ap-4768	102	3	was	be	AUX
ap-4768	102	4	also	also	ADV
ap-4768	102	5	included	include	VERB
ap-4768	102	6	.	.	PUNCT
ap-4768	103	1	no	no	DET
ap-4768	103	2	cracks	crack	NOUN
ap-4768	103	3	were	be	AUX
ap-4768	103	4	visible	visible	ADJ
ap-4768	103	5	in	in	ADP
ap-4768	103	6	dentin	dentin	NOUN
ap-4768	103	7	that	that	PRON
ap-4768	103	8	indicated	indicate	VERB
ap-4768	103	9	greater	great	ADJ
ap-4768	103	10	fracture	fracture	NOUN
ap-4768	103	11	toughness	toughness	NOUN
ap-4768	103	12	of	of	ADP
ap-4768	103	13	dentin	dentin	NOUN
ap-4768	103	14	than	than	ADP
ap-4768	103	15	that	that	PRON
ap-4768	103	16	of	of	ADP
ap-4768	103	17	enamel	enamel	NOUN
ap-4768	103	18	.	.	PUNCT
ap-4768	104	1	determination	determination	NOUN
ap-4768	104	2	of	of	ADP
ap-4768	104	3	the	the	DET
ap-4768	104	4	mechanical	mechanical	ADJ
ap-4768	104	5	properties	property	NOUN
ap-4768	104	6	of	of	ADP
ap-4768	104	7	dentin	dentin	NOUN
ap-4768	104	8	was	be	AUX
ap-4768	104	9	a	a	DET
ap-4768	104	10	part	part	NOUN
ap-4768	104	11	of	of	ADP
ap-4768	104	12	our	our	PRON
ap-4768	104	13	previous	previous	ADJ
ap-4768	104	14	efforts	effort	NOUN
ap-4768	104	15	[	[	X
ap-4768	104	16	11	11	NUM
ap-4768	104	17	,	,	PUNCT
ap-4768	104	18	12	12	NUM
ap-4768	104	19	]	]	PUNCT
ap-4768	104	20	.	.	PUNCT
ap-4768	105	1	the	the	DET
ap-4768	105	2	brittle	brittle	ADJ
ap-4768	105	3	behaviour	behaviour	NOUN
ap-4768	105	4	of	of	ADP
ap-4768	105	5	enamel	enamel	NOUN
ap-4768	105	6	has	have	AUX
ap-4768	105	7	shown	show	VERB
ap-4768	105	8	to	to	PART
ap-4768	105	9	be	be	AUX
ap-4768	105	10	very	very	ADV
ap-4768	105	11	heterogeneous	heterogeneous	ADJ
ap-4768	105	12	and	and	CCONJ
ap-4768	105	13	very	very	ADV
ap-4768	105	14	difficult	difficult	ADJ
ap-4768	105	15	to	to	PART
ap-4768	105	16	be	be	AUX
ap-4768	105	17	precisely	precisely	ADV
ap-4768	105	18	defined	define	VERB
ap-4768	105	19	.	.	PUNCT
ap-4768	106	1	the	the	DET
ap-4768	106	2	final	final	ADJ
ap-4768	106	3	values	value	NOUN
ap-4768	106	4	of	of	ADP
ap-4768	106	5	fracture	fracture	ADJ
ap-4768	106	6	toughness	toughness	NOUN
ap-4768	106	7	can	can	AUX
ap-4768	106	8	be	be	AUX
ap-4768	106	9	influenced	influence	VERB
ap-4768	106	10	by	by	ADP
ap-4768	106	11	many	many	ADJ
ap-4768	106	12	factors	factor	NOUN
ap-4768	106	13	.	.	PUNCT
ap-4768	107	1	equation	equation	NOUN
ap-4768	107	2	(	(	PUNCT
ap-4768	107	3	1	1	X
ap-4768	107	4	)	)	PUNCT
ap-4768	107	5	shows	show	VERB
ap-4768	107	6	that	that	SCONJ
ap-4768	107	7	the	the	DET
ap-4768	107	8	fracture	fracture	ADJ
ap-4768	107	9	toughness	toughness	NOUN
ap-4768	107	10	determined	determine	VERB
ap-4768	107	11	by	by	ADP
ap-4768	107	12	the	the	DET
ap-4768	107	13	vif	vif	NOUN
ap-4768	107	14	method	method	NOUN
ap-4768	107	15	depends	depend	VERB
ap-4768	107	16	on	on	ADP
ap-4768	107	17	hardness	hardness	ADJ
ap-4768	107	18	hit	hit	NOUN
ap-4768	107	19	and	and	CCONJ
ap-4768	107	20	reduced	reduce	VERB
ap-4768	107	21	modulus	modulus	NOUN
ap-4768	107	22	er	er	INTJ
ap-4768	107	23	.	.	PUNCT
ap-4768	108	1	therefore	therefore	ADV
ap-4768	108	2	,	,	PUNCT
ap-4768	108	3	changes	change	NOUN
ap-4768	108	4	of	of	ADP
ap-4768	108	5	these	these	DET
ap-4768	108	6	characteristics	characteristic	NOUN
ap-4768	108	7	have	have	VERB
ap-4768	108	8	to	to	PART
ap-4768	108	9	be	be	AUX
ap-4768	108	10	228	228	NUM
ap-4768	108	11	vol	vol	NOUN
ap-4768	108	12	.	.	PUNCT
ap-4768	109	1	58	58	NUM
ap-4768	109	2	no	no	INTJ
ap-4768	109	3	.	.	PUNCT
ap-4768	110	1	4/2018	4/2018	NUM
ap-4768	110	2	verification	verification	NOUN
ap-4768	110	3	of	of	ADP
ap-4768	110	4	behaviour	behaviour	NOUN
ap-4768	110	5	of	of	ADP
ap-4768	110	6	human	human	ADJ
ap-4768	110	7	enamel	enamel	NOUN
ap-4768	110	8	indentation	indentation	NOUN
ap-4768	110	9	load	load	NOUN
ap-4768	110	10	[	[	X
ap-4768	110	11	mn	mn	X
ap-4768	110	12	]	]	X
ap-4768	110	13	loading	loading	NOUN
ap-4768	110	14	rate	rate	NOUN
ap-4768	110	15	[	[	X
ap-4768	110	16	mn	mn	PROPN
ap-4768	110	17	/	/	SYM
ap-4768	110	18	min	min	PROPN
ap-4768	110	19	]	]	X
ap-4768	110	20	hc	hc	PROPN
ap-4768	110	21	[	[	X
ap-4768	110	22	nm	nm	X
ap-4768	110	23	]	]	X
ap-4768	110	24	hit	hit	NOUN
ap-4768	110	25	[	[	X
ap-4768	110	26	gpa	gpa	PROPN
ap-4768	110	27	]	]	X
ap-4768	110	28	er	er	PROPN
ap-4768	110	29	[	[	X
ap-4768	110	30	gpa	gpa	PROPN
ap-4768	110	31	]	]	X
ap-4768	110	32	10	10	NUM
ap-4768	110	33	120	120	NUM
ap-4768	110	34	787±	787±	NUM
ap-4768	110	35	40	40	NUM
ap-4768	110	36	3.79±	3.79±	NOUN
ap-4768	110	37	0.402	0.402	NUM
ap-4768	110	38	79.65±	79.65±	NUM
ap-4768	110	39	4.924	4.924	NUM
ap-4768	110	40	20	20	NUM
ap-4768	110	41	120	120	NUM
ap-4768	110	42	1139±	1139±	NUM
ap-4768	110	43	65	65	NUM
ap-4768	110	44	3.71±	3.71±	NUM
ap-4768	110	45	0.437	0.437	NUM
ap-4768	110	46	80.33±	80.33±	NUM
ap-4768	110	47	4.618	4.618	NUM
ap-4768	110	48	40	40	NUM
ap-4768	110	49	120	120	NUM
ap-4768	110	50	1673±	1673±	NUM
ap-4768	110	51	104	104	NUM
ap-4768	110	52	3.50±	3.50±	NOUN
ap-4768	110	53	0.386	0.386	NUM
ap-4768	110	54	80.95±	80.95±	NUM
ap-4768	110	55	4.198	4.198	NUM
ap-4768	110	56	80	80	NUM
ap-4768	110	57	120	120	NUM
ap-4768	110	58	2491±	2491±	NUM
ap-4768	110	59	114	114	NUM
ap-4768	110	60	3.28±	3.28±	NUM
ap-4768	110	61	0.297	0.297	NUM
ap-4768	110	62	81.55±	81.55±	NUM
ap-4768	110	63	5.276	5.276	NUM
ap-4768	110	64	150	150	NUM
ap-4768	110	65	120	120	NUM
ap-4768	110	66	3497±	3497±	NUM
ap-4768	110	67	263	263	NUM
ap-4768	110	68	3.25±	3.25±	NUM
ap-4768	110	69	0.421	0.421	NUM
ap-4768	110	70	85.66±	85.66±	NUM
ap-4768	110	71	5.606	5.606	NUM
ap-4768	110	72	150	150	NUM
ap-4768	110	73	60	60	NUM
ap-4768	110	74	3470±	3470±	NUM
ap-4768	110	75	239	239	NUM
ap-4768	110	76	3.29±	3.29±	NUM
ap-4768	110	77	0.391	0.391	NUM
ap-4768	110	78	85.33±	85.33±	NUM
ap-4768	110	79	6.456	6.456	NUM
ap-4768	110	80	150	150	NUM
ap-4768	110	81	250	250	NUM
ap-4768	110	82	3465±	3465±	NUM
ap-4768	110	83	309	309	NUM
ap-4768	110	84	3.31±	3.31±	NOUN
ap-4768	110	85	0.500	0.500	NUM
ap-4768	110	86	86.16±	86.16±	NUM
ap-4768	110	87	9.811	9.811	NUM
ap-4768	110	88	150	150	NUM
ap-4768	110	89	450	450	NUM
ap-4768	110	90	3534±	3534±	NUM
ap-4768	110	91	300	300	NUM
ap-4768	110	92	3.20±	3.20±	NUM
ap-4768	110	93	0.461	0.461	NUM
ap-4768	110	94	82.22±	82.22±	NUM
ap-4768	110	95	9.070	9.070	NUM
ap-4768	110	96	table	table	NOUN
ap-4768	110	97	1	1	NUM
ap-4768	110	98	.	.	PUNCT
ap-4768	111	1	values	value	NOUN
ap-4768	111	2	of	of	ADP
ap-4768	111	3	hardness	hardness	NOUN
ap-4768	111	4	hit	hit	NOUN
ap-4768	111	5	,	,	PUNCT
ap-4768	111	6	reduced	reduce	VERB
ap-4768	111	7	modulus	modulus	NOUN
ap-4768	111	8	er	er	INTJ
ap-4768	111	9	and	and	CCONJ
ap-4768	111	10	contact	contact	NOUN
ap-4768	111	11	depth	depth	NOUN
ap-4768	111	12	hc	hc	NOUN
ap-4768	111	13	in	in	ADP
ap-4768	111	14	relation	relation	NOUN
ap-4768	111	15	to	to	ADP
ap-4768	111	16	a	a	DET
ap-4768	111	17	)	)	PUNCT
ap-4768	111	18	applied	apply	VERB
ap-4768	111	19	load	load	NOUN
ap-4768	111	20	and	and	CCONJ
ap-4768	111	21	b	b	NOUN
ap-4768	111	22	)	)	PUNCT
ap-4768	111	23	load	load	NOUN
ap-4768	111	24	velocity	velocity	NOUN
ap-4768	111	25	.	.	PUNCT
ap-4768	112	1	figure	figure	NOUN
ap-4768	112	2	2	2	NUM
ap-4768	112	3	.	.	PUNCT
ap-4768	113	1	graphs	graph	NOUN
ap-4768	113	2	describing	describe	VERB
ap-4768	113	3	the	the	DET
ap-4768	113	4	changes	change	NOUN
ap-4768	113	5	of	of	ADP
ap-4768	113	6	a	a	DET
ap-4768	113	7	)	)	PUNCT
ap-4768	113	8	hardness	hardness	NOUN
ap-4768	113	9	hit	hit	NOUN
ap-4768	113	10	and	and	CCONJ
ap-4768	113	11	b	b	NOUN
ap-4768	113	12	)	)	PUNCT
ap-4768	113	13	reduced	reduced	ADJ
ap-4768	113	14	modulus	modulus	NOUN
ap-4768	113	15	er	er	INTJ
ap-4768	113	16	due	due	ADP
ap-4768	113	17	to	to	ADP
ap-4768	113	18	changes	change	NOUN
ap-4768	113	19	of	of	ADP
ap-4768	113	20	applied	applied	ADJ
ap-4768	113	21	load	load	NOUN
ap-4768	113	22	.	.	PUNCT
ap-4768	114	1	one	one	NUM
ap-4768	114	2	of	of	ADP
ap-4768	114	3	the	the	DET
ap-4768	114	4	main	main	ADJ
ap-4768	114	5	factors	factor	NOUN
ap-4768	114	6	affecting	affect	VERB
ap-4768	114	7	the	the	DET
ap-4768	114	8	output	output	NOUN
ap-4768	114	9	.	.	PUNCT
ap-4768	115	1	table	table	NOUN
ap-4768	115	2	1	1	NUM
ap-4768	115	3	shows	show	VERB
ap-4768	115	4	that	that	SCONJ
ap-4768	115	5	different	different	ADJ
ap-4768	115	6	applied	apply	VERB
ap-4768	115	7	load	load	NOUN
ap-4768	115	8	influences	influence	VERB
ap-4768	115	9	the	the	DET
ap-4768	115	10	values	value	NOUN
ap-4768	115	11	of	of	ADP
ap-4768	115	12	hit	hit	NOUN
ap-4768	115	13	and	and	CCONJ
ap-4768	115	14	er	er	INTJ
ap-4768	115	15	.	.	PUNCT
ap-4768	116	1	values	value	NOUN
ap-4768	116	2	of	of	ADP
ap-4768	116	3	hardness	hardness	NOUN
ap-4768	116	4	decreased	decrease	VERB
ap-4768	116	5	with	with	ADP
ap-4768	116	6	increasing	increase	VERB
ap-4768	116	7	load	load	NOUN
ap-4768	116	8	from	from	ADP
ap-4768	116	9	3.79gpa	3.79gpa	NUM
ap-4768	116	10	at	at	ADP
ap-4768	116	11	10mn	10mn	NOUN
ap-4768	116	12	to	to	ADP
ap-4768	116	13	3.25gpa	3.25gpa	NUM
ap-4768	116	14	at	at	ADP
ap-4768	116	15	150mn	150mn	NOUN
ap-4768	116	16	(	(	PUNCT
ap-4768	116	17	fig	fig	NOUN
ap-4768	116	18	.	.	PUNCT
ap-4768	117	1	2a	2a	NUM
ap-4768	117	2	)	)	PUNCT
ap-4768	117	3	.	.	PUNCT
ap-4768	118	1	the	the	DET
ap-4768	118	2	hardness	hardness	NOUN
ap-4768	118	3	decreased	decrease	VERB
ap-4768	118	4	by	by	ADP
ap-4768	118	5	14	14	NUM
ap-4768	118	6	%	%	NOUN
ap-4768	118	7	overall	overall	NOUN
ap-4768	118	8	.	.	PUNCT
ap-4768	119	1	the	the	DET
ap-4768	119	2	reduced	reduced	ADJ
ap-4768	119	3	modulus	modulus	NOUN
ap-4768	119	4	exhibited	exhibit	VERB
ap-4768	119	5	a	a	DET
ap-4768	119	6	different	different	ADJ
ap-4768	119	7	trend	trend	NOUN
ap-4768	119	8	and	and	CCONJ
ap-4768	119	9	increased	increase	VERB
ap-4768	119	10	with	with	ADP
ap-4768	119	11	increasing	increase	VERB
ap-4768	119	12	load	load	NOUN
ap-4768	119	13	from	from	ADP
ap-4768	119	14	79.65gpa	79.65gpa	PROPN
ap-4768	119	15	to	to	ADP
ap-4768	119	16	85.66gpa	85.66gpa	PROPN
ap-4768	119	17	(	(	PUNCT
ap-4768	119	18	fig	fig	NOUN
ap-4768	119	19	.	.	PUNCT
ap-4768	119	20	2b	2b	NUM
ap-4768	119	21	)	)	PUNCT
ap-4768	119	22	.	.	PUNCT
ap-4768	120	1	the	the	DET
ap-4768	120	2	reduced	reduced	ADJ
ap-4768	120	3	modulus	modulus	NOUN
ap-4768	120	4	increased	increase	VERB
ap-4768	120	5	by	by	ADP
ap-4768	120	6	7	7	NUM
ap-4768	120	7	%	%	NOUN
ap-4768	120	8	overall	overall	ADJ
ap-4768	120	9	.	.	PUNCT
ap-4768	121	1	these	these	DET
ap-4768	121	2	changes	change	NOUN
ap-4768	121	3	are	be	AUX
ap-4768	121	4	likely	likely	ADV
ap-4768	121	5	attributed	attribute	VERB
ap-4768	121	6	to	to	ADP
ap-4768	121	7	the	the	DET
ap-4768	121	8	initiation	initiation	NOUN
ap-4768	121	9	and	and	CCONJ
ap-4768	121	10	propagation	propagation	NOUN
ap-4768	121	11	of	of	ADP
ap-4768	121	12	cracks	crack	NOUN
ap-4768	121	13	.	.	PUNCT
ap-4768	122	1	the	the	DET
ap-4768	122	2	characteristic	characteristic	ADJ
ap-4768	122	3	indentation	indentation	NOUN
ap-4768	122	4	curve	curve	NOUN
ap-4768	122	5	(	(	PUNCT
ap-4768	122	6	fig	fig	NOUN
ap-4768	122	7	.	.	PUNCT
ap-4768	122	8	3	3	NUM
ap-4768	122	9	)	)	PUNCT
ap-4768	122	10	obtained	obtain	VERB
ap-4768	122	11	at	at	ADP
ap-4768	122	12	the	the	DET
ap-4768	122	13	maximum	maximum	ADJ
ap-4768	122	14	load	load	NOUN
ap-4768	122	15	of	of	ADP
ap-4768	122	16	150mn	150mn	NOUN
ap-4768	122	17	shows	show	VERB
ap-4768	122	18	the	the	DET
ap-4768	122	19	initiation	initiation	NOUN
ap-4768	122	20	of	of	ADP
ap-4768	122	21	cracks	crack	NOUN
ap-4768	122	22	and	and	CCONJ
ap-4768	122	23	clarifies	clarify	VERB
ap-4768	122	24	the	the	DET
ap-4768	122	25	changes	change	NOUN
ap-4768	122	26	in	in	ADP
ap-4768	122	27	the	the	DET
ap-4768	122	28	values	value	NOUN
ap-4768	122	29	of	of	ADP
ap-4768	122	30	micromechanical	micromechanical	ADJ
ap-4768	122	31	properties	property	NOUN
ap-4768	122	32	.	.	PUNCT
ap-4768	123	1	initiation	initiation	NOUN
ap-4768	123	2	and	and	CCONJ
ap-4768	123	3	propagation	propagation	NOUN
ap-4768	123	4	of	of	ADP
ap-4768	123	5	cracks	crack	NOUN
ap-4768	123	6	cause	cause	VERB
ap-4768	123	7	an	an	DET
ap-4768	123	8	energy	energy	NOUN
ap-4768	123	9	dissipation	dissipation	NOUN
ap-4768	123	10	,	,	PUNCT
ap-4768	123	11	which	which	PRON
ap-4768	123	12	affects	affect	VERB
ap-4768	123	13	the	the	DET
ap-4768	123	14	indentation	indentation	NOUN
ap-4768	123	15	curve	curve	NOUN
ap-4768	123	16	by	by	ADP
ap-4768	123	17	a	a	DET
ap-4768	123	18	pop	pop	VERB
ap-4768	123	19	-	-	PUNCT
ap-4768	123	20	in	in	ADP
ap-4768	123	21	effect	effect	NOUN
ap-4768	123	22	.	.	PUNCT
ap-4768	124	1	cracks	crack	NOUN
ap-4768	124	2	formed	form	VERB
ap-4768	124	3	in	in	ADP
ap-4768	124	4	a	a	DET
ap-4768	124	5	close	close	ADJ
ap-4768	124	6	proximity	proximity	NOUN
ap-4768	124	7	of	of	ADP
ap-4768	124	8	the	the	DET
ap-4768	124	9	indentation	indentation	NOUN
ap-4768	124	10	tip	tip	NOUN
ap-4768	124	11	cause	cause	VERB
ap-4768	124	12	a	a	DET
ap-4768	124	13	sudden	sudden	ADJ
ap-4768	124	14	increase	increase	NOUN
ap-4768	124	15	of	of	ADP
ap-4768	124	16	contact	contact	NOUN
ap-4768	124	17	depth	depth	NOUN
ap-4768	124	18	∆hc	∆hc	PROPN
ap-4768	124	19	.	.	PUNCT
ap-4768	125	1	methodology	methodology	PROPN
ap-4768	125	2	described	describe	VERB
ap-4768	125	3	in	in	ADP
ap-4768	125	4	§	§	PROPN
ap-4768	125	5	2.2	2.2	NUM
ap-4768	125	6	implies	imply	VERB
ap-4768	125	7	that	that	SCONJ
ap-4768	125	8	changes	change	NOUN
ap-4768	125	9	in	in	ADP
ap-4768	125	10	contact	contact	NOUN
ap-4768	125	11	depth	depth	NOUN
ap-4768	125	12	influence	influence	NOUN
ap-4768	125	13	the	the	DET
ap-4768	125	14	values	value	NOUN
ap-4768	125	15	of	of	ADP
ap-4768	125	16	the	the	DET
ap-4768	125	17	contact	contact	NOUN
ap-4768	125	18	area	area	NOUN
ap-4768	125	19	a	a	PRON
ap-4768	125	20	and	and	CCONJ
ap-4768	125	21	,	,	PUNCT
ap-4768	125	22	therefore	therefore	ADV
ap-4768	125	23	,	,	PUNCT
ap-4768	125	24	also	also	ADV
ap-4768	125	25	the	the	DET
ap-4768	125	26	hardness	hardness	ADJ
ap-4768	125	27	(	(	PUNCT
ap-4768	125	28	3	3	NUM
ap-4768	125	29	)	)	PUNCT
ap-4768	125	30	and	and	CCONJ
ap-4768	125	31	reduced	reduce	VERB
ap-4768	125	32	modulus	modulus	NOUN
ap-4768	125	33	(	(	PUNCT
ap-4768	125	34	2	2	NUM
ap-4768	125	35	)	)	PUNCT
ap-4768	125	36	.	.	PUNCT
ap-4768	126	1	with	with	ADP
ap-4768	126	2	regard	regard	NOUN
ap-4768	126	3	to	to	ADP
ap-4768	126	4	the	the	DET
ap-4768	126	5	fact	fact	NOUN
ap-4768	126	6	that	that	SCONJ
ap-4768	126	7	the	the	DET
ap-4768	126	8	contact	contact	NOUN
ap-4768	126	9	area	area	NOUN
ap-4768	126	10	a	a	PRON
ap-4768	126	11	is	be	AUX
ap-4768	126	12	the	the	DET
ap-4768	126	13	denominator	denominator	NOUN
ap-4768	126	14	in	in	ADP
ap-4768	126	15	(	(	PUNCT
ap-4768	126	16	2	2	NUM
ap-4768	126	17	)	)	PUNCT
ap-4768	126	18	,	,	PUNCT
ap-4768	126	19	we	we	PRON
ap-4768	126	20	assumed	assume	VERB
ap-4768	126	21	a	a	DET
ap-4768	126	22	decreasing	decrease	VERB
ap-4768	126	23	trend	trend	NOUN
ap-4768	126	24	of	of	ADP
ap-4768	126	25	the	the	DET
ap-4768	126	26	reduced	reduce	VERB
ap-4768	126	27	modulus	modulus	NOUN
ap-4768	126	28	like	like	INTJ
ap-4768	126	29	in	in	ADP
ap-4768	126	30	the	the	DET
ap-4768	126	31	case	case	NOUN
ap-4768	126	32	of	of	ADP
ap-4768	126	33	hardness	hardness	NOUN
ap-4768	126	34	.	.	PUNCT
ap-4768	127	1	therefore	therefore	ADV
ap-4768	127	2	,	,	PUNCT
ap-4768	127	3	the	the	DET
ap-4768	127	4	opposite	opposite	ADJ
ap-4768	127	5	trend	trend	NOUN
ap-4768	127	6	of	of	ADP
ap-4768	127	7	the	the	DET
ap-4768	127	8	reduced	reduce	VERB
ap-4768	127	9	modulus	modulus	NOUN
ap-4768	127	10	had	have	VERB
ap-4768	127	11	to	to	PART
ap-4768	127	12	be	be	AUX
ap-4768	127	13	the	the	DET
ap-4768	127	14	consequence	consequence	NOUN
ap-4768	127	15	of	of	ADP
ap-4768	127	16	the	the	DET
ap-4768	127	17	increasing	increase	VERB
ap-4768	127	18	contact	contact	NOUN
ap-4768	127	19	stiffness	stiffness	NOUN
ap-4768	127	20	s.	s.	PROPN
ap-4768	128	1	it	it	PRON
ap-4768	128	2	is	be	AUX
ap-4768	128	3	possible	possible	ADJ
ap-4768	128	4	to	to	PART
ap-4768	128	5	deduce	deduce	VERB
ap-4768	128	6	that	that	SCONJ
ap-4768	128	7	the	the	DET
ap-4768	128	8	values	value	NOUN
ap-4768	128	9	of	of	ADP
ap-4768	128	10	hardness	hardness	NOUN
ap-4768	128	11	and	and	CCONJ
ap-4768	128	12	reduced	reduced	ADJ
ap-4768	128	13	modulus	modulus	NOUN
ap-4768	128	14	measured	measure	VERB
ap-4768	128	15	at	at	ADP
ap-4768	128	16	minimal	minimal	ADJ
ap-4768	128	17	applied	apply	VERB
ap-4768	128	18	load	load	NOUN
ap-4768	128	19	of	of	ADP
ap-4768	128	20	10mn	10mn	ADJ
ap-4768	128	21	are	be	AUX
ap-4768	128	22	the	the	DET
ap-4768	128	23	most	most	ADV
ap-4768	128	24	accurate	accurate	ADJ
ap-4768	128	25	.	.	PUNCT
ap-4768	129	1	the	the	DET
ap-4768	129	2	indentation	indentation	NOUN
ap-4768	129	3	curves	curve	NOUN
ap-4768	129	4	at	at	ADP
ap-4768	129	5	this	this	DET
ap-4768	129	6	load	load	NOUN
ap-4768	129	7	did	do	AUX
ap-4768	129	8	not	not	PART
ap-4768	129	9	show	show	VERB
ap-4768	129	10	initiation	initiation	NOUN
ap-4768	129	11	and	and	CCONJ
ap-4768	129	12	propagation	propagation	NOUN
ap-4768	129	13	of	of	ADP
ap-4768	129	14	cracks	crack	NOUN
ap-4768	129	15	.	.	PUNCT
ap-4768	130	1	verification	verification	NOUN
ap-4768	130	2	of	of	ADP
ap-4768	130	3	values	value	NOUN
ap-4768	130	4	is	be	AUX
ap-4768	130	5	possible	possible	ADJ
ap-4768	130	6	by	by	ADP
ap-4768	130	7	applying	apply	VERB
ap-4768	130	8	lower	low	ADJ
ap-4768	130	9	loads	load	NOUN
ap-4768	130	10	,	,	PUNCT
ap-4768	130	11	but	but	CCONJ
ap-4768	130	12	the	the	DET
ap-4768	130	13	anticipated	anticipated	ADJ
ap-4768	130	14	variation	variation	NOUN
ap-4768	130	15	is	be	AUX
ap-4768	130	16	negligible	negligible	ADJ
ap-4768	130	17	with	with	ADP
ap-4768	130	18	regard	regard	NOUN
ap-4768	130	19	to	to	ADP
ap-4768	130	20	uncertainties	uncertainty	NOUN
ap-4768	130	21	of	of	ADP
ap-4768	130	22	the	the	DET
ap-4768	130	23	fracture	fracture	ADJ
ap-4768	130	24	toughness	toughness	NOUN
ap-4768	130	25	calculation	calculation	NOUN
ap-4768	130	26	.	.	PUNCT
ap-4768	131	1	table	table	NOUN
ap-4768	131	2	1	1	NUM
ap-4768	131	3	also	also	ADV
ap-4768	131	4	shows	show	VERB
ap-4768	131	5	that	that	SCONJ
ap-4768	131	6	the	the	DET
ap-4768	131	7	velocity	velocity	NOUN
ap-4768	131	8	of	of	ADP
ap-4768	131	9	loading	loading	NOUN
ap-4768	131	10	does	do	AUX
ap-4768	131	11	not	not	PART
ap-4768	131	12	have	have	VERB
ap-4768	131	13	any	any	DET
ap-4768	131	14	dramatic	dramatic	ADJ
ap-4768	131	15	effect	effect	NOUN
ap-4768	131	16	on	on	ADP
ap-4768	131	17	the	the	DET
ap-4768	131	18	values	value	NOUN
ap-4768	131	19	of	of	ADP
ap-4768	131	20	hardness	hardness	NOUN
ap-4768	131	21	,	,	PUNCT
ap-4768	131	22	reduced	reduce	VERB
ap-4768	131	23	modulus	modulus	NOUN
ap-4768	131	24	and	and	CCONJ
ap-4768	131	25	crack	crack	VERB
ap-4768	131	26	initiation	initiation	NOUN
ap-4768	131	27	.	.	PUNCT
ap-4768	132	1	although	although	SCONJ
ap-4768	132	2	the	the	DET
ap-4768	132	3	velocity	velocity	NOUN
ap-4768	132	4	of	of	ADP
ap-4768	132	5	450mn	450mn	PROPN
ap-4768	132	6	/	/	SYM
ap-4768	132	7	min	min	PROPN
ap-4768	132	8	caused	cause	VERB
ap-4768	132	9	a	a	DET
ap-4768	132	10	decrease	decrease	NOUN
ap-4768	132	11	of	of	ADP
ap-4768	132	12	hardness	hardness	NOUN
ap-4768	132	13	by	by	ADP
ap-4768	132	14	2.7	2.7	NUM
ap-4768	132	15	%	%	NOUN
ap-4768	132	16	(	(	PUNCT
ap-4768	132	17	compared	compare	VERB
ap-4768	132	18	to	to	ADP
ap-4768	132	19	the	the	DET
ap-4768	132	20	velocity	velocity	NOUN
ap-4768	132	21	of	of	ADP
ap-4768	132	22	60mn	60mn	ADJ
ap-4768	132	23	/	/	SYM
ap-4768	132	24	min	min	NOUN
ap-4768	132	25	)	)	PUNCT
ap-4768	132	26	,	,	PUNCT
ap-4768	132	27	no	no	DET
ap-4768	132	28	continuous	continuous	ADJ
ap-4768	132	29	decreasing	decrease	VERB
ap-4768	132	30	trend	trend	NOUN
ap-4768	132	31	was	be	AUX
ap-4768	132	32	observed	observe	VERB
ap-4768	132	33	.	.	PUNCT
ap-4768	133	1	the	the	DET
ap-4768	133	2	changes	change	NOUN
ap-4768	133	3	of	of	ADP
ap-4768	133	4	the	the	DET
ap-4768	133	5	reduced	reduce	VERB
ap-4768	133	6	modulus	modulus	NOUN
ap-4768	133	7	does	do	AUX
ap-4768	133	8	not	not	PART
ap-4768	133	9	correspond	correspond	VERB
ap-4768	133	10	to	to	ADP
ap-4768	133	11	the	the	DET
ap-4768	133	12	previous	previous	ADJ
ap-4768	133	13	experiment	experiment	NOUN
ap-4768	133	14	.	.	PUNCT
ap-4768	134	1	in	in	ADP
ap-4768	134	2	contrast	contrast	NOUN
ap-4768	134	3	to	to	ADP
ap-4768	134	4	the	the	DET
ap-4768	134	5	increasing	increase	VERB
ap-4768	134	6	trend	trend	NOUN
ap-4768	134	7	,	,	PUNCT
ap-4768	134	8	in	in	ADP
ap-4768	134	9	this	this	DET
ap-4768	134	10	experiment	experiment	NOUN
ap-4768	134	11	,	,	PUNCT
ap-4768	134	12	the	the	DET
ap-4768	134	13	reduced	reduced	ADJ
ap-4768	134	14	modulus	modulus	NOUN
ap-4768	134	15	decreased	decrease	VERB
ap-4768	134	16	by	by	ADP
ap-4768	134	17	3.8	3.8	NUM
ap-4768	134	18	%	%	NOUN
ap-4768	134	19	.	.	PUNCT
ap-4768	135	1	it	it	PRON
ap-4768	135	2	is	be	AUX
ap-4768	135	3	possible	possible	ADJ
ap-4768	135	4	that	that	SCONJ
ap-4768	135	5	the	the	DET
ap-4768	135	6	decrease	decrease	NOUN
ap-4768	135	7	was	be	AUX
ap-4768	135	8	caused	cause	VERB
ap-4768	135	9	by	by	ADP
ap-4768	135	10	the	the	DET
ap-4768	135	11	location	location	NOUN
ap-4768	135	12	of	of	ADP
ap-4768	135	13	the	the	DET
ap-4768	135	14	matrix	matrix	NOUN
ap-4768	135	15	of	of	ADP
ap-4768	135	16	indents	indent	NOUN
ap-4768	135	17	in	in	ADP
ap-4768	135	18	enamel	enamel	NOUN
ap-4768	135	19	,	,	PUNCT
ap-4768	135	20	which	which	PRON
ap-4768	135	21	is	be	AUX
ap-4768	135	22	inhomogeneous	inhomogeneous	ADJ
ap-4768	135	23	.	.	PUNCT
ap-4768	136	1	4	4	X
ap-4768	136	2	.	.	X
ap-4768	136	3	discussion	discussion	NOUN
ap-4768	136	4	the	the	DET
ap-4768	136	5	brittle	brittle	ADJ
ap-4768	136	6	behaviour	behaviour	NOUN
ap-4768	136	7	of	of	ADP
ap-4768	136	8	enamel	enamel	NOUN
ap-4768	136	9	during	during	ADP
ap-4768	136	10	the	the	DET
ap-4768	136	11	nanoindentation	nanoindentation	NOUN
ap-4768	136	12	test	test	NOUN
ap-4768	136	13	was	be	AUX
ap-4768	136	14	found	find	VERB
ap-4768	136	15	to	to	PART
ap-4768	136	16	be	be	AUX
ap-4768	136	17	very	very	ADV
ap-4768	136	18	heterogeneous	heterogeneous	ADJ
ap-4768	136	19	.	.	PUNCT
ap-4768	137	1	a	a	DET
ap-4768	137	2	number	number	NOUN
ap-4768	137	3	of	of	ADP
ap-4768	137	4	different	different	ADJ
ap-4768	137	5	types	type	NOUN
ap-4768	137	6	of	of	ADP
ap-4768	137	7	cracks	crack	NOUN
ap-4768	137	8	were	be	AUX
ap-4768	137	9	induced	induce	VERB
ap-4768	137	10	(	(	PUNCT
ap-4768	137	11	palmqvist	palmqvist	ADJ
ap-4768	137	12	,	,	PUNCT
ap-4768	137	13	half	half	ADJ
ap-4768	137	14	-	-	PUNCT
ap-4768	137	15	penny	penny	NOUN
ap-4768	137	16	)	)	PUNCT
ap-4768	137	17	but	but	CCONJ
ap-4768	137	18	splitting	split	VERB
ap-4768	137	19	off	off	ADP
ap-4768	137	20	and	and	CCONJ
ap-4768	137	21	delamination	delamination	NOUN
ap-4768	137	22	were	be	AUX
ap-4768	137	23	prevalent	prevalent	ADJ
ap-4768	137	24	.	.	PUNCT
ap-4768	138	1	the	the	DET
ap-4768	138	2	lack	lack	NOUN
ap-4768	138	3	of	of	ADP
ap-4768	138	4	clear	clear	ADJ
ap-4768	138	5	cracks	crack	NOUN
ap-4768	138	6	emanating	emanate	VERB
ap-4768	138	7	from	from	ADP
ap-4768	138	8	corners	corner	NOUN
ap-4768	138	9	of	of	ADP
ap-4768	138	10	the	the	DET
ap-4768	138	11	indentation	indentation	NOUN
ap-4768	138	12	tip	tip	NOUN
ap-4768	138	13	makes	make	VERB
ap-4768	138	14	it	it	PRON
ap-4768	138	15	229	229	NUM
ap-4768	139	1	p.	p.	NOUN
ap-4768	139	2	hájková	hájková	ADV
ap-4768	139	3	,	,	PUNCT
ap-4768	139	4	a.	a.	PROPN
ap-4768	139	5	jíra	jíra	PROPN
ap-4768	139	6	,	,	PUNCT
ap-4768	139	7	l.	l.	PROPN
ap-4768	139	8	řehounek	řehounek	PROPN
ap-4768	139	9	acta	acta	PROPN
ap-4768	139	10	polytechnica	polytechnica	PROPN
ap-4768	139	11	figure	figure	NOUN
ap-4768	139	12	3	3	NUM
ap-4768	139	13	.	.	PUNCT
ap-4768	140	1	indentation	indentation	NOUN
ap-4768	140	2	curve	curve	NOUN
ap-4768	140	3	showing	show	VERB
ap-4768	140	4	the	the	DET
ap-4768	140	5	initiation	initiation	NOUN
ap-4768	140	6	and	and	CCONJ
ap-4768	140	7	propagation	propagation	NOUN
ap-4768	140	8	of	of	ADP
ap-4768	140	9	cracks	crack	NOUN
ap-4768	140	10	(	(	PUNCT
ap-4768	140	11	pop	pop	VERB
ap-4768	140	12	-	-	PUNCT
ap-4768	140	13	in	in	ADP
ap-4768	140	14	effect	effect	NOUN
ap-4768	140	15	)	)	PUNCT
ap-4768	140	16	.	.	PUNCT
ap-4768	141	1	initiation	initiation	NOUN
ap-4768	141	2	of	of	ADP
ap-4768	141	3	a	a	DET
ap-4768	141	4	crack	crack	NOUN
ap-4768	141	5	causes	cause	VERB
ap-4768	141	6	a	a	DET
ap-4768	141	7	sudden	sudden	ADJ
ap-4768	141	8	increase	increase	NOUN
ap-4768	141	9	in	in	ADP
ap-4768	141	10	contact	contact	NOUN
ap-4768	141	11	depth	depth	NOUN
ap-4768	141	12	hc	hc	X
ap-4768	141	13	which	which	PRON
ap-4768	141	14	affects	affect	VERB
ap-4768	141	15	contact	contact	NOUN
ap-4768	141	16	area	area	NOUN
ap-4768	141	17	a	a	PRON
ap-4768	141	18	,	,	PUNCT
ap-4768	141	19	and	and	CCONJ
ap-4768	141	20	consequently	consequently	ADV
ap-4768	141	21	hardness	hardness	ADV
ap-4768	141	22	hit	hit	NOUN
ap-4768	141	23	and	and	CCONJ
ap-4768	141	24	reduced	reduce	VERB
ap-4768	141	25	modulus	modulus	NOUN
ap-4768	141	26	er	er	INTJ
ap-4768	141	27	.	.	PUNCT
ap-4768	142	1	during	during	ADP
ap-4768	142	2	initiation	initiation	NOUN
ap-4768	142	3	of	of	ADP
ap-4768	142	4	cracks	crack	NOUN
ap-4768	142	5	the	the	DET
ap-4768	142	6	energy	energy	NOUN
ap-4768	142	7	is	be	AUX
ap-4768	142	8	dissipated	dissipate	VERB
ap-4768	142	9	and	and	CCONJ
ap-4768	142	10	the	the	DET
ap-4768	142	11	total	total	ADJ
ap-4768	142	12	energy	energy	NOUN
ap-4768	142	13	is	be	AUX
ap-4768	142	14	increasing	increase	VERB
ap-4768	142	15	.	.	PUNCT
ap-4768	143	1	impossible	impossible	ADJ
ap-4768	143	2	to	to	PART
ap-4768	143	3	determine	determine	VERB
ap-4768	143	4	the	the	DET
ap-4768	143	5	fracture	fracture	ADJ
ap-4768	143	6	toughness	toughness	NOUN
ap-4768	143	7	by	by	ADP
ap-4768	143	8	the	the	DET
ap-4768	143	9	vif	vif	NOUN
ap-4768	143	10	method	method	NOUN
ap-4768	143	11	.	.	PUNCT
ap-4768	144	1	an	an	DET
ap-4768	144	2	alternative	alternative	ADJ
ap-4768	144	3	option	option	NOUN
ap-4768	144	4	is	be	AUX
ap-4768	144	5	a	a	DET
ap-4768	144	6	method	method	NOUN
ap-4768	144	7	based	base	VERB
ap-4768	144	8	on	on	ADP
ap-4768	144	9	the	the	DET
ap-4768	144	10	dissipation	dissipation	NOUN
ap-4768	144	11	of	of	ADP
ap-4768	144	12	energy	energy	NOUN
ap-4768	144	13	.	.	PUNCT
ap-4768	145	1	the	the	DET
ap-4768	145	2	method	method	NOUN
ap-4768	145	3	uses	use	VERB
ap-4768	145	4	the	the	DET
ap-4768	145	5	energy	energy	NOUN
ap-4768	145	6	released	release	VERB
ap-4768	145	7	during	during	ADP
ap-4768	145	8	the	the	DET
ap-4768	145	9	crack	crack	NOUN
ap-4768	145	10	initiation	initiation	NOUN
ap-4768	145	11	and	and	CCONJ
ap-4768	145	12	growth	growth	NOUN
ap-4768	145	13	,	,	PUNCT
ap-4768	145	14	which	which	PRON
ap-4768	145	15	is	be	AUX
ap-4768	145	16	called	call	VERB
ap-4768	145	17	the	the	DET
ap-4768	145	18	fracture	fracture	PROPN
ap-4768	145	19	energy	energy	NOUN
ap-4768	145	20	ufrac	ufrac	NOUN
ap-4768	145	21	.	.	PUNCT
ap-4768	146	1	the	the	DET
ap-4768	146	2	release	release	NOUN
ap-4768	146	3	of	of	ADP
ap-4768	146	4	energy	energy	NOUN
ap-4768	146	5	is	be	AUX
ap-4768	146	6	obvious	obvious	ADJ
ap-4768	146	7	from	from	ADP
ap-4768	146	8	the	the	DET
ap-4768	146	9	indentation	indentation	NOUN
ap-4768	146	10	curve	curve	NOUN
ap-4768	146	11	in	in	ADP
ap-4768	146	12	fig	fig	NOUN
ap-4768	146	13	.	.	PUNCT
ap-4768	147	1	3	3	X
ap-4768	147	2	.	.	X
ap-4768	147	3	the	the	DET
ap-4768	147	4	crack	crack	NOUN
ap-4768	147	5	initiation	initiation	NOUN
ap-4768	147	6	causes	cause	VERB
ap-4768	147	7	a	a	DET
ap-4768	147	8	shift	shift	NOUN
ap-4768	147	9	of	of	ADP
ap-4768	147	10	the	the	DET
ap-4768	147	11	loading	loading	NOUN
ap-4768	147	12	curve	curve	NOUN
ap-4768	147	13	∆hc	∆hc	PROPN
ap-4768	147	14	(	(	PUNCT
ap-4768	147	15	pop	pop	VERB
ap-4768	147	16	-	-	PUNCT
ap-4768	147	17	in	in	ADP
ap-4768	147	18	effect	effect	NOUN
ap-4768	147	19	)	)	PUNCT
ap-4768	147	20	and	and	CCONJ
ap-4768	147	21	an	an	DET
ap-4768	147	22	increase	increase	NOUN
ap-4768	147	23	in	in	ADP
ap-4768	147	24	total	total	ADJ
ap-4768	147	25	energy	energy	NOUN
ap-4768	147	26	of	of	ADP
ap-4768	147	27	indentation	indentation	NOUN
ap-4768	147	28	,	,	PUNCT
ap-4768	147	29	which	which	PRON
ap-4768	147	30	is	be	AUX
ap-4768	147	31	displayed	display	VERB
ap-4768	147	32	as	as	ADP
ap-4768	147	33	the	the	DET
ap-4768	147	34	area	area	NOUN
ap-4768	147	35	under	under	ADP
ap-4768	147	36	the	the	DET
ap-4768	147	37	loading	loading	NOUN
ap-4768	147	38	curve	curve	NOUN
ap-4768	147	39	.	.	PUNCT
ap-4768	148	1	the	the	DET
ap-4768	148	2	fracture	fracture	PROPN
ap-4768	148	3	energy	energy	NOUN
ap-4768	148	4	can	can	AUX
ap-4768	148	5	be	be	AUX
ap-4768	148	6	separated	separate	VERB
ap-4768	148	7	from	from	ADP
ap-4768	148	8	the	the	DET
ap-4768	148	9	total	total	ADJ
ap-4768	148	10	energy	energy	NOUN
ap-4768	148	11	wtot	wtot	NOUN
ap-4768	149	1	[	[	X
ap-4768	149	2	13	13	NUM
ap-4768	149	3	]	]	SYM
ap-4768	149	4	:	:	PUNCT
ap-4768	149	5	wtot	wtot	PROPN
ap-4768	149	6	=	=	PUNCT
ap-4768	149	7	wel	wel	PROPN
ap-4768	149	8	+	+	NOUN
ap-4768	149	9	wpl	wpl	NOUN
ap-4768	149	10	+	+	CCONJ
ap-4768	149	11	ufrac	ufrac	NOUN
ap-4768	150	1	+	+	ADJ
ap-4768	150	2	wother	wother	ADJ
ap-4768	150	3	(	(	PUNCT
ap-4768	150	4	4	4	NUM
ap-4768	150	5	)	)	PUNCT
ap-4768	150	6	where	where	SCONJ
ap-4768	150	7	wel	wel	PROPN
ap-4768	150	8	is	be	AUX
ap-4768	150	9	the	the	DET
ap-4768	150	10	energy	energy	NOUN
ap-4768	150	11	of	of	ADP
ap-4768	150	12	the	the	DET
ap-4768	150	13	elastic	elastic	ADJ
ap-4768	150	14	deformation	deformation	NOUN
ap-4768	150	15	,	,	PUNCT
ap-4768	150	16	which	which	PRON
ap-4768	150	17	is	be	AUX
ap-4768	150	18	displayed	display	VERB
ap-4768	150	19	as	as	ADP
ap-4768	150	20	the	the	DET
ap-4768	150	21	area	area	NOUN
ap-4768	150	22	under	under	ADP
ap-4768	150	23	the	the	DET
ap-4768	150	24	unloading	unloading	NOUN
ap-4768	150	25	curve	curve	NOUN
ap-4768	150	26	,	,	PUNCT
ap-4768	150	27	wpl	wpl	PROPN
ap-4768	150	28	is	be	AUX
ap-4768	150	29	the	the	DET
ap-4768	150	30	energy	energy	NOUN
ap-4768	150	31	of	of	ADP
ap-4768	150	32	the	the	DET
ap-4768	150	33	plastic	plastic	ADJ
ap-4768	150	34	deformation	deformation	NOUN
ap-4768	150	35	and	and	CCONJ
ap-4768	150	36	wother	wother	ADJ
ap-4768	150	37	are	be	AUX
ap-4768	150	38	other	other	ADJ
ap-4768	150	39	energies	energy	NOUN
ap-4768	150	40	,	,	PUNCT
ap-4768	150	41	for	for	ADP
ap-4768	150	42	example	example	NOUN
ap-4768	150	43	energy	energy	NOUN
ap-4768	150	44	of	of	ADP
ap-4768	150	45	creep	creep	NOUN
ap-4768	150	46	or	or	CCONJ
ap-4768	150	47	energy	energy	NOUN
ap-4768	150	48	associated	associate	VERB
ap-4768	150	49	with	with	ADP
ap-4768	150	50	changes	change	NOUN
ap-4768	150	51	in	in	ADP
ap-4768	150	52	temperature	temperature	NOUN
ap-4768	150	53	.	.	PUNCT
ap-4768	151	1	the	the	DET
ap-4768	151	2	sum	sum	NOUN
ap-4768	151	3	of	of	ADP
ap-4768	151	4	the	the	DET
ap-4768	151	5	fracture	fracture	PROPN
ap-4768	151	6	energy	energy	NOUN
ap-4768	151	7	,	,	PUNCT
ap-4768	151	8	the	the	DET
ap-4768	151	9	energy	energy	NOUN
ap-4768	151	10	of	of	ADP
ap-4768	151	11	the	the	DET
ap-4768	151	12	plastic	plastic	ADJ
ap-4768	151	13	deformation	deformation	NOUN
ap-4768	151	14	and	and	CCONJ
ap-4768	151	15	other	other	ADJ
ap-4768	151	16	energies	energy	NOUN
ap-4768	151	17	is	be	AUX
ap-4768	151	18	called	call	VERB
ap-4768	151	19	an	an	DET
ap-4768	151	20	irreversible	irreversible	ADJ
ap-4768	151	21	energy	energy	NOUN
ap-4768	151	22	.	.	PUNCT
ap-4768	152	1	this	this	PRON
ap-4768	152	2	is	be	AUX
ap-4768	152	3	displayed	display	VERB
ap-4768	152	4	as	as	ADP
ap-4768	152	5	the	the	DET
ap-4768	152	6	area	area	NOUN
ap-4768	152	7	enclosed	enclose	VERB
ap-4768	152	8	by	by	ADP
ap-4768	152	9	the	the	DET
ap-4768	152	10	loading	loading	NOUN
ap-4768	152	11	and	and	CCONJ
ap-4768	152	12	unloading	unloading	NOUN
ap-4768	152	13	curve	curve	NOUN
ap-4768	152	14	(	(	PUNCT
ap-4768	152	15	grey	grey	ADJ
ap-4768	152	16	area	area	NOUN
ap-4768	152	17	)	)	PUNCT
ap-4768	152	18	.	.	PUNCT
ap-4768	153	1	the	the	DET
ap-4768	153	2	energy	energy	NOUN
ap-4768	153	3	of	of	ADP
ap-4768	153	4	the	the	DET
ap-4768	153	5	plastic	plastic	ADJ
ap-4768	153	6	deformation	deformation	NOUN
ap-4768	153	7	can	can	AUX
ap-4768	153	8	not	not	PART
ap-4768	153	9	be	be	AUX
ap-4768	153	10	derived	derive	VERB
ap-4768	153	11	directly	directly	ADV
ap-4768	153	12	from	from	ADP
ap-4768	153	13	the	the	DET
ap-4768	153	14	indentation	indentation	NOUN
ap-4768	153	15	curve	curve	NOUN
ap-4768	153	16	,	,	PUNCT
ap-4768	153	17	so	so	SCONJ
ap-4768	153	18	it	it	PRON
ap-4768	153	19	is	be	AUX
ap-4768	153	20	necessary	necessary	ADJ
ap-4768	153	21	to	to	PART
ap-4768	153	22	use	use	VERB
ap-4768	153	23	a	a	DET
ap-4768	153	24	linear	linear	ADJ
ap-4768	153	25	relationship	relationship	NOUN
ap-4768	153	26	between	between	ADP
ap-4768	153	27	the	the	DET
ap-4768	153	28	ratio	ratio	NOUN
ap-4768	153	29	wpl	wpl	NOUN
ap-4768	153	30	/	/	SYM
ap-4768	153	31	wtot	wtot	PROPN
ap-4768	153	32	and	and	CCONJ
ap-4768	153	33	ratio	ratio	NOUN
ap-4768	153	34	hf	hf	PROPN
ap-4768	153	35	/	/	SYM
ap-4768	153	36	hmax	hmax	PROPN
ap-4768	154	1	[	[	X
ap-4768	154	2	14	14	NUM
ap-4768	154	3	]	]	X
ap-4768	154	4	:	:	PUNCT
ap-4768	154	5	wpl	wpl	NOUN
ap-4768	154	6	wtot	wtot	NOUN
ap-4768	154	7	=	=	PUNCT
ap-4768	154	8	(	(	PUNCT
ap-4768	154	9	1	1	NUM
ap-4768	154	10	+	+	NUM
ap-4768	154	11	λ	λ	NOUN
ap-4768	154	12	)	)	PUNCT
ap-4768	154	13	hf	hf	PROPN
ap-4768	154	14	hmax	hmax	PROPN
ap-4768	154	15	−	−	PROPN
ap-4768	154	16	λ	λ	PROPN
ap-4768	154	17	(	(	PUNCT
ap-4768	154	18	5	5	NUM
ap-4768	154	19	)	)	PUNCT
ap-4768	154	20	where	where	SCONJ
ap-4768	154	21	hf	hf	PROPN
ap-4768	154	22	is	be	AUX
ap-4768	154	23	the	the	DET
ap-4768	154	24	final	final	ADJ
ap-4768	154	25	indentation	indentation	NOUN
ap-4768	154	26	depth	depth	NOUN
ap-4768	154	27	,	,	PUNCT
ap-4768	154	28	hmax	hmax	PROPN
ap-4768	154	29	is	be	AUX
ap-4768	154	30	maximal	maximal	ADJ
ap-4768	154	31	indentation	indentation	NOUN
ap-4768	154	32	depth	depth	NOUN
ap-4768	154	33	and	and	CCONJ
ap-4768	154	34	λ=0.27	λ=0.27	PROPN
ap-4768	154	35	.	.	PUNCT
ap-4768	155	1	other	other	ADJ
ap-4768	155	2	energies	energy	NOUN
ap-4768	155	3	can	can	AUX
ap-4768	155	4	be	be	AUX
ap-4768	155	5	eliminated	eliminate	VERB
ap-4768	155	6	by	by	ADP
ap-4768	155	7	test	test	NOUN
ap-4768	155	8	conditions	condition	NOUN
ap-4768	155	9	or	or	CCONJ
ap-4768	155	10	dwell	dwell	NOUN
ap-4768	155	11	time	time	NOUN
ap-4768	155	12	in	in	ADP
ap-4768	155	13	the	the	DET
ap-4768	155	14	case	case	NOUN
ap-4768	155	15	of	of	ADP
ap-4768	155	16	the	the	DET
ap-4768	155	17	creep	creep	NOUN
ap-4768	155	18	.	.	PUNCT
ap-4768	156	1	if	if	SCONJ
ap-4768	156	2	the	the	DET
ap-4768	156	3	fracture	fracture	PROPN
ap-4768	156	4	energy	energy	NOUN
ap-4768	156	5	ufrac	ufrac	NOUN
ap-4768	156	6	is	be	AUX
ap-4768	156	7	derived	derive	VERB
ap-4768	156	8	,	,	PUNCT
ap-4768	156	9	the	the	DET
ap-4768	156	10	fracture	fracture	ADJ
ap-4768	156	11	toughness	toughness	NOUN
ap-4768	156	12	kic	kic	PROPN
ap-4768	156	13	is	be	AUX
ap-4768	156	14	calculated	calculate	VERB
ap-4768	156	15	from	from	ADP
ap-4768	156	16	formulas	formula	NOUN
ap-4768	156	17	based	base	VERB
ap-4768	156	18	on	on	ADP
ap-4768	156	19	principles	principle	NOUN
ap-4768	156	20	of	of	ADP
ap-4768	156	21	linear	linear	ADJ
ap-4768	156	22	elastic	elastic	ADJ
ap-4768	156	23	fracture	fracture	NOUN
ap-4768	156	24	mechanics	mechanic	NOUN
ap-4768	156	25	(	(	PUNCT
ap-4768	156	26	lefm	lefm	PROPN
ap-4768	156	27	)	)	PUNCT
ap-4768	157	1	[	[	X
ap-4768	157	2	15	15	NUM
ap-4768	157	3	]	]	SYM
ap-4768	157	4	:	:	PUNCT
ap-4768	157	5	gc	gc	PROPN
ap-4768	157	6	=	=	PROPN
ap-4768	157	7	ufrac	ufrac	PROPN
ap-4768	157	8	afrac	afrac	PROPN
ap-4768	157	9	(	(	PUNCT
ap-4768	157	10	6	6	NUM
ap-4768	157	11	)	)	PUNCT
ap-4768	157	12	kic	kic	PROPN
ap-4768	157	13	=	=	SYM
ap-4768	157	14	√	√	PROPN
ap-4768	157	15	egc	egc	NOUN
ap-4768	157	16	(	(	PUNCT
ap-4768	157	17	7	7	NUM
ap-4768	157	18	)	)	PUNCT
ap-4768	157	19	where	where	SCONJ
ap-4768	157	20	afrac	afrac	NOUN
ap-4768	157	21	is	be	AUX
ap-4768	157	22	the	the	DET
ap-4768	157	23	area	area	NOUN
ap-4768	157	24	of	of	ADP
ap-4768	157	25	the	the	DET
ap-4768	157	26	fracture	fracture	NOUN
ap-4768	157	27	whose	whose	DET
ap-4768	157	28	initiation	initiation	NOUN
ap-4768	157	29	caused	cause	VERB
ap-4768	157	30	the	the	DET
ap-4768	157	31	energy	energy	NOUN
ap-4768	157	32	dissipation	dissipation	NOUN
ap-4768	157	33	.	.	PUNCT
ap-4768	158	1	the	the	DET
ap-4768	158	2	method	method	NOUN
ap-4768	158	3	based	base	VERB
ap-4768	158	4	on	on	ADP
ap-4768	158	5	the	the	DET
ap-4768	158	6	dissipation	dissipation	NOUN
ap-4768	158	7	of	of	ADP
ap-4768	158	8	energy	energy	NOUN
ap-4768	158	9	enables	enable	VERB
ap-4768	158	10	the	the	DET
ap-4768	158	11	determination	determination	NOUN
ap-4768	158	12	of	of	ADP
ap-4768	158	13	fracture	fracture	ADJ
ap-4768	158	14	toughness	toughness	NOUN
ap-4768	158	15	in	in	ADP
ap-4768	158	16	the	the	DET
ap-4768	158	17	case	case	NOUN
ap-4768	158	18	of	of	ADP
ap-4768	158	19	initiation	initiation	NOUN
ap-4768	158	20	of	of	ADP
ap-4768	158	21	any	any	DET
ap-4768	158	22	cracks	crack	NOUN
ap-4768	158	23	(	(	PUNCT
ap-4768	158	24	palmqvist	palmqvist	ADJ
ap-4768	158	25	,	,	PUNCT
ap-4768	158	26	half	half	ADJ
ap-4768	158	27	-	-	PUNCT
ap-4768	158	28	penny	penny	NOUN
ap-4768	158	29	,	,	PUNCT
ap-4768	158	30	median	median	ADJ
ap-4768	158	31	,	,	PUNCT
ap-4768	158	32	delamination	delamination	NOUN
ap-4768	158	33	)	)	PUNCT
ap-4768	158	34	in	in	ADP
ap-4768	158	35	contrast	contrast	NOUN
ap-4768	158	36	to	to	ADP
ap-4768	158	37	the	the	DET
ap-4768	158	38	vif	vif	NOUN
ap-4768	158	39	method	method	NOUN
ap-4768	158	40	.	.	PUNCT
ap-4768	159	1	it	it	PRON
ap-4768	159	2	was	be	AUX
ap-4768	159	3	found	find	VERB
ap-4768	159	4	out	out	ADP
ap-4768	159	5	that	that	SCONJ
ap-4768	159	6	the	the	DET
ap-4768	159	7	values	value	NOUN
ap-4768	159	8	of	of	ADP
ap-4768	159	9	the	the	DET
ap-4768	159	10	applied	apply	VERB
ap-4768	159	11	load	load	NOUN
ap-4768	159	12	for	for	ADP
ap-4768	159	13	measuring	measure	VERB
ap-4768	159	14	the	the	DET
ap-4768	159	15	hardness	hardness	NOUN
ap-4768	159	16	and	and	CCONJ
ap-4768	159	17	reduced	reduced	ADJ
ap-4768	159	18	modulus	modulus	NOUN
ap-4768	159	19	of	of	ADP
ap-4768	159	20	a	a	DET
ap-4768	159	21	brittle	brittle	ADJ
ap-4768	159	22	material	material	NOUN
ap-4768	159	23	can	can	AUX
ap-4768	159	24	significantly	significantly	ADV
ap-4768	159	25	influence	influence	VERB
ap-4768	159	26	overall	overall	ADJ
ap-4768	159	27	results	result	NOUN
ap-4768	159	28	of	of	ADP
ap-4768	159	29	these	these	DET
ap-4768	159	30	characteristics	characteristic	NOUN
ap-4768	159	31	,	,	PUNCT
ap-4768	159	32	and	and	CCONJ
ap-4768	159	33	consequently	consequently	ADV
ap-4768	159	34	fracture	fracture	ADJ
ap-4768	159	35	toughness	toughness	NOUN
ap-4768	159	36	determined	determine	VERB
ap-4768	159	37	by	by	ADP
ap-4768	159	38	the	the	DET
ap-4768	159	39	vif	vif	NOUN
ap-4768	159	40	method	method	NOUN
ap-4768	159	41	.	.	PUNCT
ap-4768	160	1	the	the	DET
ap-4768	160	2	degree	degree	NOUN
ap-4768	160	3	to	to	PART
ap-4768	160	4	which	which	PRON
ap-4768	160	5	the	the	DET
ap-4768	160	6	fracture	fracture	ADJ
ap-4768	160	7	toughness	toughness	NOUN
ap-4768	160	8	is	be	AUX
ap-4768	160	9	affected	affect	VERB
ap-4768	160	10	depends	depend	VERB
ap-4768	160	11	on	on	ADP
ap-4768	160	12	the	the	DET
ap-4768	160	13	value	value	NOUN
ap-4768	160	14	of	of	ADP
ap-4768	160	15	the	the	DET
ap-4768	160	16	applied	apply	VERB
ap-4768	160	17	load	load	NOUN
ap-4768	160	18	and	and	CCONJ
ap-4768	160	19	a	a	DET
ap-4768	160	20	formula	formula	NOUN
ap-4768	160	21	used	use	VERB
ap-4768	160	22	for	for	ADP
ap-4768	160	23	the	the	DET
ap-4768	160	24	calculation	calculation	NOUN
ap-4768	160	25	of	of	ADP
ap-4768	160	26	kic	kic	PROPN
ap-4768	160	27	because	because	SCONJ
ap-4768	160	28	the	the	DET
ap-4768	160	29	exponent	exponent	NOUN
ap-4768	160	30	of	of	ADP
ap-4768	160	31	the	the	DET
ap-4768	160	32	ratio	ratio	NOUN
ap-4768	160	33	e	e	PROPN
ap-4768	160	34	/	/	SYM
ap-4768	160	35	hit	hit	ADJ
ap-4768	160	36	differs	differ	NOUN
ap-4768	160	37	in	in	ADP
ap-4768	160	38	formulas	formula	NOUN
ap-4768	160	39	derived	derive	VERB
ap-4768	160	40	by	by	ADP
ap-4768	160	41	different	different	ADJ
ap-4768	160	42	authors	author	NOUN
ap-4768	160	43	.	.	PUNCT
ap-4768	161	1	in	in	ADP
ap-4768	161	2	this	this	DET
ap-4768	161	3	test	test	NOUN
ap-4768	161	4	,	,	PUNCT
ap-4768	161	5	the	the	DET
ap-4768	161	6	applied	apply	VERB
ap-4768	161	7	load	load	NOUN
ap-4768	161	8	(	(	PUNCT
ap-4768	161	9	10	10	NUM
ap-4768	161	10	–	–	PUNCT
ap-4768	161	11	150mn	150mn	NOUN
ap-4768	161	12	)	)	PUNCT
ap-4768	161	13	,	,	PUNCT
ap-4768	161	14	was	be	AUX
ap-4768	161	15	significantly	significantly	ADV
ap-4768	161	16	lower	low	ADJ
ap-4768	161	17	than	than	ADP
ap-4768	161	18	in	in	ADP
ap-4768	161	19	experiments	experiment	NOUN
ap-4768	161	20	performed	perform	VERB
ap-4768	161	21	by	by	ADP
ap-4768	161	22	other	other	ADJ
ap-4768	161	23	authors	author	NOUN
ap-4768	161	24	.	.	PUNCT
ap-4768	162	1	the	the	DET
ap-4768	162	2	authors	author	NOUN
ap-4768	162	3	usually	usually	ADV
ap-4768	162	4	apply	apply	VERB
ap-4768	162	5	load	load	NOUN
ap-4768	162	6	1–10n	1–10n	NUM
ap-4768	162	7	which	which	PRON
ap-4768	162	8	means	mean	VERB
ap-4768	162	9	that	that	SCONJ
ap-4768	162	10	changes	change	NOUN
ap-4768	162	11	of	of	ADP
ap-4768	162	12	hardness	hardness	NOUN
ap-4768	162	13	and	and	CCONJ
ap-4768	162	14	reduced	reduced	ADJ
ap-4768	162	15	modulus	modulus	NOUN
ap-4768	162	16	will	will	AUX
ap-4768	162	17	probably	probably	ADV
ap-4768	162	18	be	be	AUX
ap-4768	162	19	more	more	ADV
ap-4768	162	20	obvious	obvious	ADJ
ap-4768	162	21	.	.	PUNCT
ap-4768	163	1	the	the	DET
ap-4768	163	2	problem	problem	NOUN
ap-4768	163	3	is	be	AUX
ap-4768	163	4	even	even	ADV
ap-4768	163	5	more	more	ADV
ap-4768	163	6	augmented	augment	VERB
ap-4768	163	7	because	because	SCONJ
ap-4768	163	8	authors	author	NOUN
ap-4768	163	9	do	do	AUX
ap-4768	163	10	not	not	PART
ap-4768	163	11	use	use	VERB
ap-4768	163	12	the	the	DET
ap-4768	163	13	same	same	ADJ
ap-4768	163	14	methods	method	NOUN
ap-4768	163	15	to	to	PART
ap-4768	163	16	determine	determine	VERB
ap-4768	163	17	the	the	DET
ap-4768	163	18	values	value	NOUN
ap-4768	163	19	of	of	ADP
ap-4768	163	20	hardness	hardness	NOUN
ap-4768	163	21	and	and	CCONJ
ap-4768	163	22	modulus	modulus	NOUN
ap-4768	163	23	.	.	PUNCT
ap-4768	164	1	while	while	SCONJ
ap-4768	164	2	some	some	DET
ap-4768	164	3	authors	author	NOUN
ap-4768	164	4	[	[	X
ap-4768	164	5	8	8	NUM
ap-4768	164	6	]	]	PUNCT
ap-4768	164	7	use	use	NOUN
ap-4768	164	8	mean	mean	NOUN
ap-4768	164	9	values	value	NOUN
ap-4768	164	10	of	of	ADP
ap-4768	164	11	hardness	hardness	NOUN
ap-4768	164	12	and	and	CCONJ
ap-4768	164	13	modulus	modulus	ADJ
ap-4768	164	14	230	230	NUM
ap-4768	164	15	vol	vol	NOUN
ap-4768	164	16	.	.	PUNCT
ap-4768	165	1	58	58	NUM
ap-4768	166	1	no	no	INTJ
ap-4768	166	2	.	.	PUNCT
ap-4768	167	1	4/2018	4/2018	NUM
ap-4768	167	2	verification	verification	NOUN
ap-4768	167	3	of	of	ADP
ap-4768	167	4	behaviour	behaviour	NOUN
ap-4768	167	5	of	of	ADP
ap-4768	167	6	human	human	ADJ
ap-4768	167	7	enamel	enamel	NOUN
ap-4768	167	8	cited	cite	VERB
ap-4768	167	9	in	in	ADP
ap-4768	167	10	literature	literature	NOUN
ap-4768	167	11	,	,	PUNCT
ap-4768	167	12	others	other	NOUN
ap-4768	168	1	[	[	X
ap-4768	168	2	2	2	NUM
ap-4768	168	3	,	,	PUNCT
ap-4768	168	4	3	3	NUM
ap-4768	168	5	]	]	PUNCT
ap-4768	168	6	use	use	VERB
ap-4768	168	7	the	the	DET
ap-4768	168	8	nanoindentation	nanoindentation	NOUN
ap-4768	168	9	or	or	CCONJ
ap-4768	168	10	they	they	PRON
ap-4768	168	11	determine	determine	VERB
ap-4768	168	12	the	the	DET
ap-4768	168	13	parameters	parameter	NOUN
ap-4768	168	14	directly	directly	ADV
ap-4768	168	15	while	while	SCONJ
ap-4768	168	16	testing	test	VERB
ap-4768	168	17	the	the	DET
ap-4768	168	18	fracture	fracture	ADJ
ap-4768	168	19	toughness	toughness	NOUN
ap-4768	168	20	.	.	PUNCT
ap-4768	169	1	padmanabhan	padmanabhan	NOUN
ap-4768	170	1	[	[	X
ap-4768	170	2	10	10	NUM
ap-4768	170	3	]	]	PUNCT
ap-4768	170	4	,	,	PUNCT
ap-4768	170	5	for	for	ADP
ap-4768	170	6	example	example	NOUN
ap-4768	170	7	,	,	PUNCT
ap-4768	170	8	describes	describe	VERB
ap-4768	170	9	a	a	DET
ap-4768	170	10	hardening	hardening	NOUN
ap-4768	170	11	of	of	ADP
ap-4768	170	12	enamel	enamel	NOUN
ap-4768	170	13	with	with	ADP
ap-4768	170	14	increasing	increase	VERB
ap-4768	170	15	loading	loading	NOUN
ap-4768	170	16	but	but	CCONJ
ap-4768	170	17	the	the	DET
ap-4768	170	18	question	question	NOUN
ap-4768	170	19	is	be	AUX
ap-4768	170	20	how	how	SCONJ
ap-4768	170	21	much	much	ADJ
ap-4768	170	22	are	be	AUX
ap-4768	170	23	the	the	DET
ap-4768	170	24	results	result	NOUN
ap-4768	170	25	influenced	influence	VERB
ap-4768	170	26	by	by	ADP
ap-4768	170	27	values	value	NOUN
ap-4768	170	28	of	of	ADP
ap-4768	170	29	hardness	hardness	NOUN
ap-4768	170	30	and	and	CCONJ
ap-4768	170	31	modulus	modulus	NOUN
ap-4768	170	32	,	,	PUNCT
ap-4768	170	33	which	which	PRON
ap-4768	170	34	are	be	AUX
ap-4768	170	35	determined	determine	VERB
ap-4768	170	36	in	in	ADP
ap-4768	170	37	the	the	DET
ap-4768	170	38	same	same	ADJ
ap-4768	170	39	test	test	NOUN
ap-4768	170	40	as	as	ADP
ap-4768	170	41	the	the	DET
ap-4768	170	42	fracture	fracture	NOUN
ap-4768	170	43	toughness	toughness	NOUN
ap-4768	170	44	.	.	PUNCT
ap-4768	171	1	it	it	PRON
ap-4768	171	2	is	be	AUX
ap-4768	171	3	,	,	PUNCT
ap-4768	171	4	therefore	therefore	ADV
ap-4768	171	5	,	,	PUNCT
ap-4768	171	6	necessary	necessary	ADJ
ap-4768	171	7	to	to	PART
ap-4768	171	8	provide	provide	VERB
ap-4768	171	9	these	these	DET
ap-4768	171	10	parameters	parameter	NOUN
ap-4768	171	11	by	by	ADP
ap-4768	171	12	other	other	ADJ
ap-4768	171	13	means	mean	NOUN
ap-4768	171	14	rather	rather	ADV
ap-4768	171	15	than	than	ADP
ap-4768	171	16	directly	directly	ADV
ap-4768	171	17	from	from	ADP
ap-4768	171	18	the	the	DET
ap-4768	171	19	test	test	NOUN
ap-4768	171	20	of	of	ADP
ap-4768	171	21	the	the	DET
ap-4768	171	22	fracture	fracture	ADJ
ap-4768	171	23	toughness	toughness	NOUN
ap-4768	171	24	.	.	PUNCT
ap-4768	172	1	in	in	ADP
ap-4768	172	2	this	this	DET
ap-4768	172	3	test	test	NOUN
ap-4768	172	4	,	,	PUNCT
ap-4768	172	5	the	the	DET
ap-4768	172	6	choice	choice	NOUN
ap-4768	172	7	of	of	ADP
ap-4768	172	8	the	the	DET
ap-4768	172	9	loading	loading	NOUN
ap-4768	172	10	velocity	velocity	NOUN
ap-4768	172	11	showed	show	VERB
ap-4768	172	12	no	no	DET
ap-4768	172	13	significant	significant	ADJ
ap-4768	172	14	influence	influence	NOUN
ap-4768	172	15	on	on	ADP
ap-4768	172	16	the	the	DET
ap-4768	172	17	outcome	outcome	NOUN
ap-4768	172	18	of	of	ADP
ap-4768	172	19	the	the	DET
ap-4768	172	20	measurement	measurement	NOUN
ap-4768	172	21	.	.	PUNCT
ap-4768	173	1	as	as	SCONJ
ap-4768	173	2	in	in	ADP
ap-4768	173	3	the	the	DET
ap-4768	173	4	previous	previous	ADJ
ap-4768	173	5	experiment	experiment	NOUN
ap-4768	173	6	,	,	PUNCT
ap-4768	173	7	changes	change	NOUN
ap-4768	173	8	can	can	AUX
ap-4768	173	9	be	be	AUX
ap-4768	173	10	more	more	ADV
ap-4768	173	11	obvious	obvious	ADJ
ap-4768	173	12	if	if	SCONJ
ap-4768	173	13	authors	author	NOUN
ap-4768	173	14	use	use	VERB
ap-4768	173	15	the	the	DET
ap-4768	173	16	loading	loading	NOUN
ap-4768	173	17	velocity	velocity	NOUN
ap-4768	173	18	greater	great	ADJ
ap-4768	173	19	than	than	ADP
ap-4768	173	20	450mn	450mn	PROPN
ap-4768	173	21	/	/	SYM
ap-4768	173	22	min	min	PROPN
ap-4768	173	23	.	.	PROPN
ap-4768	173	24	5	5	NUM
ap-4768	173	25	.	.	PUNCT
ap-4768	173	26	conclusions	conclusion	NOUN
ap-4768	173	27	the	the	DET
ap-4768	173	28	present	present	ADJ
ap-4768	173	29	study	study	NOUN
ap-4768	173	30	assesses	assess	VERB
ap-4768	173	31	the	the	DET
ap-4768	173	32	brittle	brittle	ADJ
ap-4768	173	33	behaviour	behaviour	NOUN
ap-4768	173	34	of	of	ADP
ap-4768	173	35	enamel	enamel	NOUN
ap-4768	173	36	during	during	ADP
ap-4768	173	37	nanoindentation	nanoindentation	NOUN
ap-4768	173	38	tests	test	NOUN
ap-4768	173	39	and	and	CCONJ
ap-4768	173	40	possibility	possibility	NOUN
ap-4768	173	41	of	of	ADP
ap-4768	173	42	using	use	VERB
ap-4768	173	43	the	the	DET
ap-4768	173	44	nanoindentation	nanoindentation	NOUN
ap-4768	173	45	for	for	ADP
ap-4768	173	46	a	a	DET
ap-4768	173	47	fracture	fracture	ADJ
ap-4768	173	48	toughness	toughness	NOUN
ap-4768	173	49	determination	determination	NOUN
ap-4768	173	50	.	.	PUNCT
ap-4768	174	1	the	the	DET
ap-4768	174	2	vif	vif	NOUN
ap-4768	174	3	method	method	NOUN
ap-4768	174	4	,	,	PUNCT
ap-4768	174	5	almost	almost	ADV
ap-4768	174	6	solely	solely	ADV
ap-4768	174	7	used	use	VERB
ap-4768	174	8	by	by	ADP
ap-4768	174	9	other	other	ADJ
ap-4768	174	10	authors	author	NOUN
ap-4768	174	11	,	,	PUNCT
ap-4768	174	12	was	be	AUX
ap-4768	174	13	found	find	VERB
ap-4768	174	14	to	to	PART
ap-4768	174	15	be	be	AUX
ap-4768	174	16	inapplicable	inapplicable	ADJ
ap-4768	174	17	.	.	PUNCT
ap-4768	175	1	therefore	therefore	ADV
ap-4768	175	2	,	,	PUNCT
ap-4768	175	3	the	the	DET
ap-4768	175	4	alternative	alternative	ADJ
ap-4768	175	5	method	method	NOUN
ap-4768	175	6	based	base	VERB
ap-4768	175	7	on	on	ADP
ap-4768	175	8	a	a	DET
ap-4768	175	9	dissipation	dissipation	NOUN
ap-4768	175	10	of	of	ADP
ap-4768	175	11	energy	energy	NOUN
ap-4768	175	12	was	be	AUX
ap-4768	175	13	described	describe	VERB
ap-4768	175	14	.	.	PUNCT
ap-4768	176	1	this	this	DET
ap-4768	176	2	method	method	NOUN
ap-4768	176	3	can	can	AUX
ap-4768	176	4	eliminate	eliminate	VERB
ap-4768	176	5	some	some	DET
ap-4768	176	6	negative	negative	ADJ
ap-4768	176	7	aspects	aspect	NOUN
ap-4768	176	8	of	of	ADP
ap-4768	176	9	the	the	DET
ap-4768	176	10	vif	vif	NOUN
ap-4768	176	11	method	method	NOUN
ap-4768	176	12	.	.	PUNCT
ap-4768	177	1	the	the	DET
ap-4768	177	2	factors	factor	NOUN
ap-4768	177	3	influencing	influence	VERB
ap-4768	177	4	the	the	DET
ap-4768	177	5	overall	overall	ADJ
ap-4768	177	6	results	result	NOUN
ap-4768	177	7	of	of	ADP
ap-4768	177	8	the	the	DET
ap-4768	177	9	fracture	fracture	ADJ
ap-4768	177	10	toughness	toughness	NOUN
ap-4768	177	11	test	test	NOUN
ap-4768	177	12	were	be	AUX
ap-4768	177	13	examined	examine	VERB
ap-4768	177	14	.	.	PUNCT
ap-4768	178	1	as	as	SCONJ
ap-4768	178	2	the	the	DET
ap-4768	178	3	values	value	NOUN
ap-4768	178	4	of	of	ADP
ap-4768	178	5	the	the	DET
ap-4768	178	6	applied	apply	VERB
ap-4768	178	7	load	load	NOUN
ap-4768	178	8	were	be	AUX
ap-4768	178	9	found	find	VERB
ap-4768	178	10	to	to	PART
ap-4768	178	11	be	be	AUX
ap-4768	178	12	the	the	DET
ap-4768	178	13	important	important	ADJ
ap-4768	178	14	factor	factor	NOUN
ap-4768	178	15	of	of	ADP
ap-4768	178	16	the	the	DET
ap-4768	178	17	fracture	fracture	ADJ
ap-4768	178	18	toughness	toughness	NOUN
ap-4768	178	19	determination	determination	NOUN
ap-4768	178	20	by	by	ADP
ap-4768	178	21	the	the	DET
ap-4768	178	22	vif	vif	NOUN
ap-4768	178	23	method	method	NOUN
ap-4768	178	24	,	,	PUNCT
ap-4768	178	25	the	the	DET
ap-4768	178	26	choice	choice	NOUN
ap-4768	178	27	of	of	ADP
ap-4768	178	28	the	the	DET
ap-4768	178	29	loading	loading	NOUN
ap-4768	178	30	velocity	velocity	NOUN
ap-4768	178	31	did	do	AUX
ap-4768	178	32	not	not	PART
ap-4768	178	33	affect	affect	VERB
ap-4768	178	34	the	the	DET
ap-4768	178	35	result	result	NOUN
ap-4768	178	36	to	to	ADP
ap-4768	178	37	any	any	DET
ap-4768	178	38	noticeable	noticeable	ADJ
ap-4768	178	39	degree	degree	NOUN
ap-4768	178	40	.	.	PUNCT
ap-4768	179	1	further	further	ADJ
ap-4768	179	2	study	study	NOUN
ap-4768	179	3	will	will	AUX
ap-4768	179	4	be	be	AUX
ap-4768	179	5	dedicated	dedicate	VERB
ap-4768	179	6	to	to	ADP
ap-4768	179	7	the	the	DET
ap-4768	179	8	determination	determination	NOUN
ap-4768	179	9	of	of	ADP
ap-4768	179	10	the	the	DET
ap-4768	179	11	stress	stress	NOUN
ap-4768	179	12	intensity	intensity	NOUN
ap-4768	179	13	factor	factor	NOUN
ap-4768	179	14	kic	kic	PROPN
ap-4768	179	15	on	on	ADP
ap-4768	179	16	the	the	DET
ap-4768	179	17	basis	basis	NOUN
ap-4768	179	18	of	of	ADP
ap-4768	179	19	the	the	DET
ap-4768	179	20	fracture	fracture	PROPN
ap-4768	179	21	energy	energy	NOUN
ap-4768	179	22	ufrac	ufrac	NOUN
ap-4768	179	23	and	and	CCONJ
ap-4768	179	24	fracture	fracture	PROPN
ap-4768	179	25	area	area	NOUN
ap-4768	179	26	afrac	afrac	PROPN
ap-4768	179	27	.	.	PUNCT
ap-4768	180	1	since	since	SCONJ
ap-4768	180	2	the	the	DET
ap-4768	180	3	fracture	fracture	NOUN
ap-4768	180	4	energy	energy	NOUN
ap-4768	180	5	is	be	AUX
ap-4768	180	6	relatively	relatively	ADV
ap-4768	180	7	easy	easy	ADJ
ap-4768	180	8	to	to	PART
ap-4768	180	9	determine	determine	VERB
ap-4768	180	10	,	,	PUNCT
ap-4768	180	11	the	the	DET
ap-4768	180	12	measurement	measurement	NOUN
ap-4768	180	13	of	of	ADP
ap-4768	180	14	the	the	DET
ap-4768	180	15	fracture	fracture	PROPN
ap-4768	180	16	area	area	NOUN
ap-4768	180	17	will	will	AUX
ap-4768	180	18	be	be	AUX
ap-4768	180	19	crucial	crucial	ADJ
ap-4768	180	20	.	.	PUNCT
ap-4768	181	1	6	6	X
ap-4768	181	2	.	.	X
ap-4768	181	3	acknowledgements	acknowledgement	VERB
ap-4768	181	4	the	the	DET
ap-4768	181	5	financial	financial	ADJ
ap-4768	181	6	support	support	NOUN
ap-4768	181	7	by	by	ADP
ap-4768	181	8	faculty	faculty	NOUN
ap-4768	181	9	of	of	ADP
ap-4768	181	10	civil	civil	ADJ
ap-4768	181	11	engineering	engineering	NOUN
ap-4768	181	12	,	,	PUNCT
ap-4768	181	13	czech	czech	PROPN
ap-4768	181	14	technical	technical	PROPN
ap-4768	181	15	university	university	PROPN
ap-4768	181	16	in	in	ADP
ap-4768	181	17	prague	prague	PROPN
ap-4768	181	18	(	(	PUNCT
ap-4768	181	19	sgs	sgs	PROPN
ap-4768	181	20	project	project	NOUN
ap-4768	181	21	no	no	INTJ
ap-4768	181	22	.	.	PUNCT
ap-4768	182	1	sgs17/168	sgs17/168	NOUN
ap-4768	182	2	/	/	SYM
ap-4768	182	3	ohk1/3t/11	ohk1/3t/11	NOUN
ap-4768	182	4	)	)	PUNCT
ap-4768	182	5	is	be	AUX
ap-4768	182	6	gratefully	gratefully	ADV
ap-4768	182	7	acknowledged	acknowledge	VERB
ap-4768	182	8	.	.	PUNCT
ap-4768	183	1	references	reference	NOUN
ap-4768	183	2	[	[	X
ap-4768	183	3	1	1	X
ap-4768	183	4	]	]	PUNCT
ap-4768	183	5	d.	d.	PROPN
ap-4768	183	6	j.	j.	PROPN
ap-4768	183	7	chiego	chiego	PROPN
ap-4768	183	8	.	.	PUNCT
ap-4768	184	1	essentials	essential	NOUN
ap-4768	184	2	of	of	ADP
ap-4768	184	3	oral	oral	ADJ
ap-4768	184	4	histology	histology	NOUN
ap-4768	184	5	and	and	CCONJ
ap-4768	184	6	embryology	embryology	NOUN
ap-4768	184	7	-	-	PUNCT
ap-4768	184	8	e	e	NOUN
ap-4768	184	9	-	-	NOUN
ap-4768	184	10	book	book	NOUN
ap-4768	184	11	:	:	PUNCT
ap-4768	184	12	a	a	DET
ap-4768	184	13	clinical	clinical	ADJ
ap-4768	184	14	approach	approach	NOUN
ap-4768	184	15	.	.	PUNCT
ap-4768	185	1	elsevier	elsevier	PROPN
ap-4768	185	2	health	health	PROPN
ap-4768	185	3	sciences	sciences	PROPN
ap-4768	185	4	,	,	PUNCT
ap-4768	185	5	2014	2014	NUM
ap-4768	185	6	.	.	PUNCT
ap-4768	186	1	[	[	X
ap-4768	186	2	2	2	X
ap-4768	186	3	]	]	PUNCT
ap-4768	186	4	s.	s.	PROPN
ap-4768	186	5	park	park	PROPN
ap-4768	186	6	,	,	PUNCT
ap-4768	186	7	j.	j.	PROPN
ap-4768	186	8	quinn	quinn	PROPN
ap-4768	186	9	,	,	PUNCT
ap-4768	186	10	e.	e.	PROPN
ap-4768	186	11	romberg	romberg	PROPN
ap-4768	186	12	,	,	PUNCT
ap-4768	186	13	d.	d.	PROPN
ap-4768	186	14	arola	arola	PROPN
ap-4768	186	15	.	.	PUNCT
ap-4768	187	1	on	on	ADP
ap-4768	187	2	the	the	DET
ap-4768	187	3	brittleness	brittleness	NOUN
ap-4768	187	4	of	of	ADP
ap-4768	187	5	enamel	enamel	NOUN
ap-4768	187	6	and	and	CCONJ
ap-4768	187	7	selected	select	VERB
ap-4768	187	8	dental	dental	ADJ
ap-4768	187	9	materials	material	NOUN
ap-4768	187	10	.	.	PUNCT
ap-4768	188	1	dental	dental	ADJ
ap-4768	188	2	materials	material	NOUN
ap-4768	188	3	24(11):1477–1485	24(11):1477–1485	NUM
ap-4768	188	4	,	,	PUNCT
ap-4768	188	5	2008	2008	NUM
ap-4768	188	6	.	.	PUNCT
ap-4768	189	1	doi:10.1016	doi:10.1016	PROPN
ap-4768	189	2	/	/	SYM
ap-4768	189	3	j.dental.2008.03.007	j.dental.2008.03.007	PROPN
ap-4768	189	4	.	.	PUNCT
ap-4768	190	1	[	[	X
ap-4768	190	2	3	3	X
ap-4768	190	3	]	]	X
ap-4768	190	4	q.	q.	PROPN
ap-4768	190	5	zheng	zheng	PROPN
ap-4768	190	6	,	,	PUNCT
ap-4768	190	7	h.	h.	PROPN
ap-4768	190	8	xu	xu	PROPN
ap-4768	190	9	,	,	PUNCT
ap-4768	190	10	f.	f.	PROPN
ap-4768	190	11	song	song	PROPN
ap-4768	190	12	,	,	PUNCT
ap-4768	190	13	et	et	PROPN
ap-4768	190	14	al	al	PROPN
ap-4768	190	15	.	.	PUNCT
ap-4768	190	16	spatial	spatial	ADJ
ap-4768	190	17	distribution	distribution	NOUN
ap-4768	190	18	of	of	ADP
ap-4768	190	19	the	the	DET
ap-4768	190	20	human	human	ADJ
ap-4768	190	21	enamel	enamel	NOUN
ap-4768	190	22	fracture	fracture	PROPN
ap-4768	190	23	toughness	toughness	NOUN
ap-4768	190	24	with	with	ADP
ap-4768	190	25	aging	aging	NOUN
ap-4768	190	26	.	.	PUNCT
ap-4768	191	1	journal	journal	NOUN
ap-4768	191	2	of	of	ADP
ap-4768	191	3	the	the	DET
ap-4768	191	4	mechanical	mechanical	ADJ
ap-4768	191	5	behavior	behavior	NOUN
ap-4768	191	6	of	of	ADP
ap-4768	191	7	biomedical	biomedical	ADJ
ap-4768	191	8	materials	material	NOUN
ap-4768	191	9	26:148–154	26:148–154	NOUN
ap-4768	191	10	,	,	PUNCT
ap-4768	191	11	2013	2013	NUM
ap-4768	191	12	.	.	PUNCT
ap-4768	192	1	doi:10.1016	doi:10.1016	PROPN
ap-4768	192	2	/	/	SYM
ap-4768	192	3	j.jmbbm.2013.04.025	j.jmbbm.2013.04.025	PROPN
ap-4768	192	4	.	.	PUNCT
ap-4768	193	1	[	[	X
ap-4768	193	2	4	4	X
ap-4768	193	3	]	]	PUNCT
ap-4768	193	4	s.	s.	PROPN
ap-4768	193	5	hayashi	hayashi	PROPN
ap-4768	193	6	-	-	PUNCT
ap-4768	193	7	sakai	sakai	PROPN
ap-4768	193	8	,	,	PUNCT
ap-4768	193	9	j.	j.	PROPN
ap-4768	193	10	sakai	sakai	PROPN
ap-4768	193	11	,	,	PUNCT
ap-4768	193	12	m.	m.	NOUN
ap-4768	193	13	sakamoto	sakamoto	PROPN
ap-4768	193	14	,	,	PUNCT
ap-4768	193	15	h.	h.	PROPN
ap-4768	193	16	endo	endo	PROPN
ap-4768	193	17	.	.	PUNCT
ap-4768	194	1	determination	determination	NOUN
ap-4768	194	2	of	of	ADP
ap-4768	194	3	fracture	fracture	ADJ
ap-4768	194	4	toughness	toughness	NOUN
ap-4768	194	5	of	of	ADP
ap-4768	194	6	human	human	ADJ
ap-4768	194	7	permanent	permanent	ADJ
ap-4768	194	8	and	and	CCONJ
ap-4768	194	9	primary	primary	ADJ
ap-4768	194	10	enamel	enamel	NOUN
ap-4768	194	11	using	use	VERB
ap-4768	194	12	an	an	DET
ap-4768	194	13	indentation	indentation	NOUN
ap-4768	194	14	microfracture	microfracture	NOUN
ap-4768	194	15	method	method	NOUN
ap-4768	194	16	.	.	PUNCT
ap-4768	195	1	journal	journal	NOUN
ap-4768	195	2	of	of	ADP
ap-4768	195	3	materials	material	NOUN
ap-4768	195	4	science	science	NOUN
ap-4768	195	5	:	:	PUNCT
ap-4768	195	6	materials	material	NOUN
ap-4768	195	7	in	in	ADP
ap-4768	195	8	medicine	medicine	NOUN
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ap-4768	195	10	,	,	PUNCT
ap-4768	195	11	2012	2012	NUM
ap-4768	195	12	.	.	PUNCT
ap-4768	196	1	doi:10.1007	doi:10.1007	PROPN
ap-4768	196	2	/	/	SYM
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ap-4768	196	4	-	-	PUNCT
ap-4768	196	5	012	012	NUM
ap-4768	196	6	-	-	PUNCT
ap-4768	196	7	4678	4678	NUM
ap-4768	196	8	-	-	SYM
ap-4768	196	9	3	3	NUM
ap-4768	196	10	.	.	PUNCT
ap-4768	197	1	[	[	X
ap-4768	197	2	5	5	X
ap-4768	197	3	]	]	PUNCT
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ap-4768	197	5	xu	xu	PROPN
ap-4768	197	6	,	,	PUNCT
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ap-4768	197	9	,	,	PUNCT
ap-4768	197	10	s.	s.	PROPN
ap-4768	197	11	jahanmir	jahanmir	PROPN
ap-4768	197	12	,	,	PUNCT
ap-4768	197	13	et	et	PROPN
ap-4768	197	14	al	al	PROPN
ap-4768	197	15	.	.	PUNCT
ap-4768	198	1	indentation	indentation	NOUN
ap-4768	198	2	damage	damage	NOUN
ap-4768	198	3	and	and	CCONJ
ap-4768	198	4	mechanical	mechanical	ADJ
ap-4768	198	5	properties	property	NOUN
ap-4768	198	6	of	of	ADP
ap-4768	198	7	human	human	ADJ
ap-4768	198	8	enamel	enamel	NOUN
ap-4768	198	9	and	and	CCONJ
ap-4768	198	10	dentin	dentin	NOUN
ap-4768	198	11	.	.	PUNCT
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ap-4768	199	2	of	of	ADP
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ap-4768	199	4	research	research	NOUN
ap-4768	199	5	77(3):472–480	77(3):472–480	PROPN
ap-4768	199	6	,	,	PUNCT
ap-4768	199	7	1998	1998	NUM
ap-4768	199	8	.	.	PUNCT
ap-4768	200	1	doi:10.1177/00220345980770030601	doi:10.1177/00220345980770030601	PROPN
ap-4768	200	2	.	.	PUNCT
ap-4768	201	1	[	[	X
ap-4768	201	2	6	6	NUM
ap-4768	201	3	]	]	PUNCT
ap-4768	201	4	f.	f.	PROPN
ap-4768	201	5	sergejev	sergejev	PROPN
ap-4768	201	6	,	,	PUNCT
ap-4768	201	7	m.	m.	NOUN
ap-4768	201	8	antonov	antonov	PROPN
ap-4768	201	9	.	.	PUNCT
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ap-4768	201	11	study	study	NOUN
ap-4768	201	12	on	on	ADP
ap-4768	201	13	indentation	indentation	NOUN
ap-4768	201	14	fracture	fracture	NOUN
ap-4768	201	15	toughness	toughness	NOUN
ap-4768	201	16	measurements	measurement	NOUN
ap-4768	201	17	of	of	ADP
ap-4768	201	18	cemented	cement	VERB
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ap-4768	201	20	.	.	PUNCT
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ap-4768	202	6	12(4):388–398	12(4):388–398	NUM
ap-4768	202	7	,	,	PUNCT
ap-4768	202	8	2006	2006	NUM
ap-4768	202	9	.	.	PUNCT
ap-4768	203	1	doi:10.1111	doi:10.1111	ADJ
ap-4768	203	2	/	/	SYM
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ap-4768	203	4	-	-	PUNCT
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ap-4768	203	6	.	.	PUNCT
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ap-4768	204	2	7	7	X
ap-4768	204	3	]	]	X
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ap-4768	204	5	d.	d.	PROPN
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ap-4768	204	7	,	,	PUNCT
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ap-4768	204	9	c.	c.	PROPN
ap-4768	204	10	bradt	bradt	PROPN
ap-4768	204	11	.	.	PUNCT
ap-4768	205	1	on	on	ADP
ap-4768	205	2	the	the	DET
ap-4768	205	3	vickers	vicker	NOUN
ap-4768	205	4	indentation	indentation	PROPN
ap-4768	205	5	fracture	fracture	NOUN
ap-4768	205	6	toughness	toughness	NOUN
ap-4768	205	7	test	test	NOUN
ap-4768	205	8	.	.	PUNCT
ap-4768	206	1	journal	journal	NOUN
ap-4768	206	2	of	of	ADP
ap-4768	206	3	the	the	DET
ap-4768	206	4	american	american	PROPN
ap-4768	206	5	ceramic	ceramic	PROPN
ap-4768	206	6	society	society	PROPN
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ap-4768	206	8	,	,	PUNCT
ap-4768	206	9	2007	2007	NUM
ap-4768	206	10	.	.	PUNCT
ap-4768	207	1	doi:10.1111	doi:10.1111	ADJ
ap-4768	207	2	/	/	SYM
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ap-4768	207	4	-	-	PUNCT
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ap-4768	207	6	.	.	PUNCT
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ap-4768	208	2	8	8	NUM
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ap-4768	208	6	,	,	PUNCT
ap-4768	208	7	a.	a.	PROPN
ap-4768	208	8	caputo	caputo	PROPN
ap-4768	208	9	,	,	PUNCT
ap-4768	208	10	r.	r.	PROPN
ap-4768	208	11	bunshah	bunshah	PROPN
ap-4768	208	12	.	.	PUNCT
ap-4768	209	1	fracture	fracture	ADJ
ap-4768	209	2	toughness	toughness	NOUN
ap-4768	209	3	of	of	ADP
ap-4768	209	4	human	human	ADJ
ap-4768	209	5	enamel	enamel	NOUN
ap-4768	209	6	.	.	PUNCT
ap-4768	210	1	journal	journal	NOUN
ap-4768	210	2	of	of	ADP
ap-4768	210	3	dental	dental	ADJ
ap-4768	210	4	research	research	NOUN
ap-4768	210	5	60(4):820	60(4):820	NOUN
ap-4768	210	6	–	–	PUNCT
ap-4768	210	7	827	827	NUM
ap-4768	210	8	,	,	PUNCT
ap-4768	210	9	1981	1981	NUM
ap-4768	210	10	.	.	PUNCT
ap-4768	211	1	doi:10.1177/00220345810600040901	doi:10.1177/00220345810600040901	NOUN
ap-4768	211	2	.	.	PUNCT
ap-4768	212	1	[	[	X
ap-4768	212	2	9	9	NUM
ap-4768	212	3	]	]	X
ap-4768	212	4	w.	w.	PROPN
ap-4768	212	5	c.	c.	PROPN
ap-4768	212	6	oliver	oliver	PROPN
ap-4768	212	7	,	,	PUNCT
ap-4768	212	8	g.	g.	PROPN
ap-4768	212	9	m.	m.	PROPN
ap-4768	212	10	pharr	pharr	PROPN
ap-4768	212	11	.	.	PUNCT
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ap-4768	212	13	of	of	ADP
ap-4768	212	14	hardness	hardness	NOUN
ap-4768	212	15	and	and	CCONJ
ap-4768	212	16	elastic	elastic	ADJ
ap-4768	212	17	modulus	modulus	NOUN
ap-4768	212	18	by	by	ADP
ap-4768	212	19	instrumented	instrumented	ADJ
ap-4768	212	20	indentation	indentation	NOUN
ap-4768	212	21	:	:	PUNCT
ap-4768	212	22	advances	advance	NOUN
ap-4768	212	23	in	in	ADP
ap-4768	212	24	understanding	understanding	NOUN
ap-4768	212	25	and	and	CCONJ
ap-4768	212	26	refinements	refinement	NOUN
ap-4768	212	27	to	to	ADP
ap-4768	212	28	methodology	methodology	NOUN
ap-4768	212	29	.	.	PUNCT
ap-4768	213	1	journal	journal	PROPN
ap-4768	213	2	of	of	ADP
ap-4768	213	3	materials	material	NOUN
ap-4768	213	4	research	research	NOUN
ap-4768	213	5	19(1):3–20	19(1):3–20	NUM
ap-4768	213	6	,	,	PUNCT
ap-4768	213	7	2004	2004	NUM
ap-4768	213	8	.	.	PUNCT
ap-4768	214	1	doi:10.1557	doi:10.1557	PROPN
ap-4768	214	2	/	/	SYM
ap-4768	214	3	jmr.2004.19.1.3	jmr.2004.19.1.3	PROPN
ap-4768	214	4	.	.	PUNCT
ap-4768	215	1	[	[	X
ap-4768	215	2	10	10	NUM
ap-4768	215	3	]	]	PUNCT
ap-4768	215	4	s.	s.	PROPN
ap-4768	215	5	k.	k.	PROPN
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ap-4768	215	7	,	,	PUNCT
ap-4768	215	8	a.	a.	PROPN
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ap-4768	215	10	,	,	PUNCT
ap-4768	215	11	m.-c	m.-c	PROPN
ap-4768	215	12	.	.	PUNCT
ap-4768	216	1	chu	chu	PROPN
ap-4768	216	2	,	,	PUNCT
ap-4768	216	3	et	et	PROPN
ap-4768	216	4	al	al	PROPN
ap-4768	216	5	.	.	PROPN
ap-4768	216	6	micro	micro	PROPN
ap-4768	216	7	-	-	NOUN
ap-4768	216	8	indentation	indentation	NOUN
ap-4768	216	9	fracture	fracture	ADJ
ap-4768	216	10	behavior	behavior	NOUN
ap-4768	216	11	of	of	ADP
ap-4768	216	12	human	human	ADJ
ap-4768	216	13	enamel	enamel	NOUN
ap-4768	216	14	.	.	PUNCT
ap-4768	217	1	dental	dental	ADJ
ap-4768	217	2	materials	material	NOUN
ap-4768	217	3	26(1):100–104	26(1):100–104	PROPN
ap-4768	217	4	,	,	PUNCT
ap-4768	217	5	2010	2010	NUM
ap-4768	217	6	.	.	PUNCT
ap-4768	218	1	doi:10.1016	doi:10.1016	PROPN
ap-4768	218	2	/	/	SYM
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ap-4768	218	4	.	.	PUNCT
ap-4768	219	1	[	[	X
ap-4768	219	2	11	11	NUM
ap-4768	219	3	]	]	PUNCT
ap-4768	219	4	p.	p.	NOUN
ap-4768	219	5	hájková	hájková	PROPN
ap-4768	219	6	,	,	PUNCT
ap-4768	219	7	a.	a.	PROPN
ap-4768	219	8	jíra	jíra	PROPN
ap-4768	219	9	.	.	PUNCT
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ap-4768	220	3	of	of	ADP
ap-4768	220	4	complex	complex	ADJ
ap-4768	220	5	structures	structure	NOUN
ap-4768	220	6	by	by	ADP
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ap-4768	220	8	.	.	PUNCT
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ap-4768	221	2	key	key	ADJ
ap-4768	221	3	engineering	engineering	NOUN
ap-4768	221	4	materials	material	NOUN
ap-4768	221	5	,	,	PUNCT
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ap-4768	221	7	.	.	PUNCT
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ap-4768	221	9	,	,	PUNCT
ap-4768	221	10	pp	pp	ADJ
ap-4768	221	11	.	.	PUNCT
ap-4768	221	12	60–65	60–65	NUM
ap-4768	221	13	.	.	PUNCT
ap-4768	222	1	trans	trans	PROPN
ap-4768	222	2	tech	tech	PROPN
ap-4768	222	3	publ	publ	NOUN
ap-4768	222	4	,	,	PUNCT
ap-4768	222	5	2017	2017	NUM
ap-4768	222	6	.	.	PUNCT
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ap-4768	223	2	/	/	SYM
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ap-4768	223	4	/	/	SYM
ap-4768	223	5	kem.731.60	kem.731.60	PROPN
ap-4768	223	6	.	.	PUNCT
ap-4768	224	1	[	[	X
ap-4768	224	2	12	12	NUM
ap-4768	224	3	]	]	PUNCT
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ap-4768	224	9	.	.	PUNCT
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ap-4768	225	2	of	of	ADP
ap-4768	225	3	human	human	ADJ
ap-4768	225	4	tooth	tooth	NOUN
ap-4768	225	5	dentin	dentin	NOUN
ap-4768	225	6	.	.	PUNCT
ap-4768	226	1	in	in	ADP
ap-4768	226	2	key	key	ADJ
ap-4768	226	3	engineering	engineering	NOUN
ap-4768	226	4	materials	material	NOUN
ap-4768	226	5	,	,	PUNCT
ap-4768	226	6	vol	vol	NOUN
ap-4768	226	7	.	.	PROPN
ap-4768	226	8	606	606	NUM
ap-4768	226	9	,	,	PUNCT
ap-4768	226	10	pp	pp	ADJ
ap-4768	226	11	.	.	PUNCT
ap-4768	226	12	133–136	133–136	NUM
ap-4768	226	13	.	.	PUNCT
ap-4768	227	1	trans	trans	PROPN
ap-4768	227	2	tech	tech	PROPN
ap-4768	227	3	publ	publ	NOUN
ap-4768	227	4	,	,	PUNCT
ap-4768	227	5	2014	2014	NUM
ap-4768	227	6	.	.	PUNCT
ap-4768	228	1	doi:10.4028	doi:10.4028	ADJ
ap-4768	228	2	/	/	SYM
ap-4768	228	3	www.scientific.net	www.scientific.net	NOUN
ap-4768	228	4	/	/	SYM
ap-4768	228	5	kem.606.133	kem.606.133	NOUN
ap-4768	228	6	.	.	PUNCT
ap-4768	229	1	[	[	X
ap-4768	229	2	13	13	NUM
ap-4768	229	3	]	]	PUNCT
ap-4768	229	4	j.	j.	PROPN
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ap-4768	229	6	,	,	PUNCT
ap-4768	229	7	s.	s.	PROPN
ap-4768	229	8	bull	bull	PROPN
ap-4768	229	9	.	.	PUNCT
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ap-4768	230	2	fracture	fracture	NOUN
ap-4768	230	3	and	and	CCONJ
ap-4768	230	4	toughness	toughness	NOUN
ap-4768	230	5	assessment	assessment	NOUN
ap-4768	230	6	for	for	ADP
ap-4768	230	7	thin	thin	ADJ
ap-4768	230	8	optical	optical	ADJ
ap-4768	230	9	coatings	coating	NOUN
ap-4768	230	10	on	on	ADP
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ap-4768	230	12	.	.	PUNCT
ap-4768	231	1	journal	journal	PROPN
ap-4768	231	2	of	of	ADP
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ap-4768	232	1	d	d	PROPN
ap-4768	232	2	:	:	PUNCT
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ap-4768	232	5	40(18):5401	40(18):5401	NUM
ap-4768	232	6	,	,	PUNCT
ap-4768	232	7	2007	2007	NUM
ap-4768	232	8	.	.	PUNCT
ap-4768	233	1	doi:10.1088/0022	doi:10.1088/0022	NOUN
ap-4768	233	2	-	-	PUNCT
ap-4768	233	3	3727/40/18	3727/40/18	NUM
ap-4768	233	4	/	/	SYM
ap-4768	233	5	s01	s01	NOUN
ap-4768	233	6	.	.	PUNCT
ap-4768	234	1	[	[	X
ap-4768	234	2	14	14	NUM
ap-4768	234	3	]	]	PUNCT
ap-4768	234	4	y.-t	y.-t	NOUN
ap-4768	234	5	.	.	PUNCT
ap-4768	235	1	cheng	cheng	PROPN
ap-4768	235	2	,	,	PUNCT
ap-4768	235	3	z.	z.	PROPN
ap-4768	235	4	li	li	PROPN
ap-4768	235	5	,	,	PUNCT
ap-4768	235	6	c.-m	c.-m	PROPN
ap-4768	235	7	.	.	PUNCT
ap-4768	236	1	cheng	cheng	PROPN
ap-4768	236	2	.	.	PUNCT
ap-4768	237	1	scaling	scale	VERB
ap-4768	237	2	relationships	relationship	NOUN
ap-4768	237	3	for	for	ADP
ap-4768	237	4	indentation	indentation	NOUN
ap-4768	237	5	measurements	measurement	NOUN
ap-4768	237	6	.	.	PUNCT
ap-4768	238	1	philosophical	philosophical	ADJ
ap-4768	238	2	magazine	magazine	NOUN
ap-4768	238	3	a	a	DET
ap-4768	238	4	82(10):1821–1829	82(10):1821–1829	NUM
ap-4768	238	5	,	,	PUNCT
ap-4768	238	6	2002	2002	NUM
ap-4768	238	7	.	.	PUNCT
ap-4768	239	1	doi:10.1080/01418610208235693	doi:10.1080/01418610208235693	X
ap-4768	239	2	.	.	PUNCT
ap-4768	240	1	[	[	X
ap-4768	240	2	15	15	NUM
ap-4768	240	3	]	]	X
ap-4768	240	4	e.	e.	PROPN
ap-4768	240	5	rocha	rocha	PROPN
ap-4768	240	6	-	-	PROPN
ap-4768	240	7	rangel	rangel	PROPN
ap-4768	240	8	.	.	PUNCT
ap-4768	241	1	fracture	fracture	ADJ
ap-4768	241	2	toughness	toughness	NOUN
ap-4768	241	3	determinations	determination	NOUN
ap-4768	241	4	by	by	ADP
ap-4768	241	5	means	mean	NOUN
ap-4768	241	6	of	of	ADP
ap-4768	241	7	indentation	indentation	NOUN
ap-4768	241	8	fracture	fracture	NOUN
ap-4768	241	9	.	.	PUNCT
ap-4768	242	1	in	in	ADP
ap-4768	242	2	nanocomposites	nanocomposite	NOUN
ap-4768	242	3	with	with	ADP
ap-4768	242	4	unique	unique	ADJ
ap-4768	242	5	properties	property	NOUN
ap-4768	242	6	and	and	CCONJ
ap-4768	242	7	applications	application	NOUN
ap-4768	242	8	in	in	ADP
ap-4768	242	9	medicine	medicine	NOUN
ap-4768	242	10	and	and	CCONJ
ap-4768	242	11	industry	industry	NOUN
ap-4768	242	12	.	.	PUNCT
ap-4768	243	1	intech	intech	PROPN
ap-4768	243	2	,	,	PUNCT
ap-4768	243	3	2011	2011	NUM
ap-4768	243	4	.	.	PUNCT
ap-4768	244	1	231	231	NUM
ap-4768	244	2	http://dx.doi.org/10.1016/j.dental.2008.03.007	http://dx.doi.org/10.1016/j.dental.2008.03.007	NOUN
ap-4768	244	3	http://dx.doi.org/10.1016/j.jmbbm.2013.04.025	http://dx.doi.org/10.1016/j.jmbbm.2013.04.025	PROPN
ap-4768	244	4	http://dx.doi.org/10.1007/s10856-012-4678-3	http://dx.doi.org/10.1007/s10856-012-4678-3	NOUN
ap-4768	244	5	http://dx.doi.org/10.1177/00220345980770030601	http://dx.doi.org/10.1177/00220345980770030601	ADJ
ap-4768	244	6	http://dx.doi.org/10.1111/j.1551-2916.2006.01482.x	http://dx.doi.org/10.1111/j.1551-2916.2006.01482.x	ADJ
ap-4768	244	7	http://dx.doi.org/10.1111/j.1551-2916.2006.01482.x	http://dx.doi.org/10.1111/j.1551-2916.2006.01482.x	INTJ
ap-4768	244	8	http://dx.doi.org/10.1177/00220345810600040901	http://dx.doi.org/10.1177/00220345810600040901	ADJ
ap-4768	244	9	http://dx.doi.org/10.1557/jmr.2004.19.1.3	http://dx.doi.org/10.1557/jmr.2004.19.1.3	PROPN
ap-4768	244	10	http://dx.doi.org/10.1016/j.dental.2009.07.015	http://dx.doi.org/10.1016/j.dental.2009.07.015	PROPN
ap-4768	244	11	http://dx.doi.org/10.4028/www.scientific.net/kem.731.60	http://dx.doi.org/10.4028/www.scientific.net/kem.731.60	PROPN
ap-4768	244	12	http://dx.doi.org/10.4028/www.scientific.net/kem.606.133	http://dx.doi.org/10.4028/www.scientific.net/kem.606.133	PROPN
ap-4768	244	13	http://dx.doi.org/10.1088/0022-3727/40/18/s01	http://dx.doi.org/10.1088/0022-3727/40/18/s01	PROPN
ap-4768	244	14	http://dx.doi.org/10.1080/01418610208235693	http://dx.doi.org/10.1080/01418610208235693	PROPN
ap-4768	244	15	acta	acta	PROPN
ap-4768	244	16	polytechnica	polytechnica	PROPN
ap-4768	244	17	58(4):226–231	58(4):226–231	PROPN
ap-4768	244	18	,	,	PUNCT
ap-4768	244	19	2018	2018	NUM
ap-4768	244	20	1	1	NUM
ap-4768	244	21	introduction	introduction	NOUN
ap-4768	244	22	2	2	NUM
ap-4768	244	23	materials	material	NOUN
ap-4768	244	24	and	and	CCONJ
ap-4768	244	25	methods	method	NOUN
ap-4768	244	26	2.1	2.1	NUM
ap-4768	244	27	specimen	speciman	NOUN
ap-4768	244	28	preparation	preparation	NOUN
ap-4768	244	29	2.2	2.2	NUM
ap-4768	244	30	nanoindentation	nanoindentation	NOUN
ap-4768	244	31	method	method	NOUN
ap-4768	244	32	3	3	NUM
ap-4768	244	33	results	result	VERB
ap-4768	244	34	4	4	NUM
ap-4768	244	35	discussion	discussion	NOUN
ap-4768	244	36	5	5	NUM
ap-4768	244	37	conclusions	conclusion	NOUN
ap-4768	244	38	6	6	NUM
ap-4768	244	39	acknowledgements	acknowledgement	NOUN
ap-4768	244	40	references	reference	NOUN