id	keyword
dentistry3000-225	healing
dentistry3000-225	aloe
dentistry3000-225	vera
dentistry3000-225	hydrogel
dentistry3000-225	gingival
dentistry3000-225	scarring
dentistry3000-225	months
dentistry3000-225	effect
dentistry3000-225	test
dentistry3000-225	control
dentistry3000-225	graft
dentistry3000-225	group