id	keyword
bjos-8664265	color
bjos-8664265	ceramic
bjos-8664265	materials
bjos-8664265	staining
bjos-8664265	picn
bjos-8664265	doi
bjos-8664265	days
bjos-8664265	translucency
bjos-8664265	composite
bjos-8664265	dent
bjos-8664265	resin
bjos-8664265	cam
bjos-8664265	samples
bjos-8664265	study
bjos-8664265	cad