問題詳情

63.目前認可最有效的牙菌斑控制和牙齦炎治療的漱口水，係因其中含有下列何種物質之故？
(A)Sanguinarine
(B)Stannous fluoride
(C)Chlorhexidine and essential oil
(D)Quaternary ammonium compounds

參考答案

答案：C
難度：簡單0.814815
統計：A(0),B(1),C(22),D(3),E(0)