id	keyword
dentistry3000-161	salivary
dentistry3000-161	mouthwash
dentistry3000-161	tea
dentistry3000-161	green
dentistry3000-161	min
dentistry3000-161	gargling
dentistry3000-161	water
dentistry3000-161	patients
dentistry3000-161	chlorohexidine
dentistry3000-161	baseline
dentistry3000-161	tap
