id	keyword
bjos-8649983	pain
bjos-8649983	study
bjos-8649983	betamethasone
bjos-8649983	patients
bjos-8649983	endod
bjos-8649983	treatment
bjos-8649983	hours
bjos-8649983	oral
bjos-8649983	doi
bjos-8649983	use
bjos-8649983	canals