id	keyword
bjos-8640930	health
bjos-8640930	tooth
bjos-8640930	adolescents
bjos-8640930	loss
bjos-8640930	são
bjos-8640930	paulo
bjos-8640930	oral
bjos-8640930	years
bjos-8640930	age
bjos-8640930	caries
bjos-8640930	são paulo
bjos-8640930	study