id	keyword
bjos-8652653	tooth
bjos-8652653	loss
bjos-8652653	adolescents
bjos-8652653	health
bjos-8652653	study
bjos-8652653	school
bjos-8652653	students
bjos-8652653	brazil
bjos-8652653	prevalence
bjos-8652653	oral
bjos-8652653	tooth loss