id	keyword
bjos-8647122	root
bjos-8647122	canal
bjos-8647122	fillings
bjos-8647122	quality
bjos-8647122	dental
bjos-8647122	technical
bjos-8647122	root canal
bjos-8647122	students
bjos-8647122	canal fillings
bjos-8647122	treatment
bjos-8647122	undergraduate
bjos-8647122	teeth