id	keyword
bjos-8673595	caries
bjos-8673595	fpm
bjos-8673595	oral
bjos-8673595	doi
bjos-8673595	children
bjos-8673595	factors
bjos-8673595	study
bjos-8673595	health
bjos-8673595	school
bjos-8673595	risk
bjos-8673595	lesions
bjos-8673595	dentin