id	keyword
bjos-8666288	toothache
bjos-8666288	age
bjos-8666288	years
bjos-8666288	experience
bjos-8666288	study
bjos-8666288	oral
bjos-8666288	life
bjos-8666288	children
bjos-8666288	period
bjos-8666288	doi
bjos-8666288	toothache experience
bjos-8666288	health
bjos-8666288	participants