id	keyword
dentistry3000-134	videos
dentistry3000-134	information
dentistry3000-134	quality
dentistry3000-134	youtube
dentistry3000-134	study
dentistry3000-134	source
dentistry3000-134	pmid
dentistry3000-134	patient
dentistry3000-134	disease
dentistry3000-134	oral
dentistry3000-134	treatment
dentistry3000-134	number
dentistry3000-134	content
dentistry3000-134	index