id	keyword
mkg-3396	rinsing
mkg-3396	plaque
mkg-3396	decoction
mkg-3396	index
mkg-3396	chx
mkg-3396	group
mkg-3396	patients
mkg-3396	treatment
mkg-3396	oral
mkg-3396	hygiene
mkg-3396	accumulation