id	keyword
bjos-8663690	root
bjos-8663690	canal
bjos-8663690	pulp
bjos-8663690	distal
bjos-8663690	days
bjos-8663690	mandibular
bjos-8663690	necrosis
bjos-8663690	molar
bjos-8663690	group
bjos-8663690	length
bjos-8663690	endodontics
bjos-8663690	buenos
bjos-8663690	aires