A.齦溝出血指數(shù) B.牙齦指數(shù) C.社區(qū)牙周指數(shù) D.簡化口腔衛(wèi)生指數(shù) E.菌斑指數(shù)
A.20%~30% B.30%~40% C.40%~50% D.50%~60% E.60%~70%