id	keyword
dentistry3000-973	appliances
dentistry3000-973	sample
dentistry3000-973	effect
dentistry3000-973	reduction
dentistry3000-973	orthodontic
dentistry3000-973	cleaning
dentistry3000-973	rates
dentistry3000-973	streptococcus
dentistry3000-973	mouthwash
dentistry3000-973	doi