id	keyword
dentistry3000-743	caries
dentistry3000-743	pufa
dentistry3000-743	molars
dentistry3000-743	children
dentistry3000-743	dmft
dentistry3000-743	dental
dentistry3000-743	prevalence
dentistry3000-743	study
dentistry3000-743	years
dentistry3000-743	index
dentistry3000-743	najaf
dentistry3000-743	journal
dentistry3000-743	city