id	keyword
bjos-8640851	caries
bjos-8640851	methods
bjos-8640851	cl2
bjos-8640851	oral
bjos-8640851	lesions
bjos-8640851	examiner
bjos-8640851	occlusal
bjos-8640851	detection
bjos-8640851	cl1
bjos-8640851	examination