id	keyword
bjos-8661236	cells
bjos-8661236	mucosa
bjos-8661236	oral
bjos-8661236	exposure
bjos-8661236	ref
bjos-8661236	buccal
bjos-8661236	panoramic
bjos-8661236	doi
bjos-8661236	study
bjos-8661236	maturation
bjos-8661236	radiography