口こう腔くう衛えい生せいMeaningsNoun1. dental health; oral hygieneOther readings口こう腔こう衛えい生せいKanji used口mouth腔body cavity衛defend生lifeComposed of口こう腔くうoral cavity; mouthNoun衛えい生せいhygiene; sanitation; cleanliness; health; toilet; restroom; bathroomNoun