問題詳情

20.根管治療的器械根據其設計與清創擴大根管的原則可分成六大類,下列何者正確?
(A)GG drills和peeso reamers屬於GroupⅠ
(B)K-files屬於GroupⅡ
(C)Protaper、Profile等鎳鈦器械屬於GroupⅣ
(D)超音波器械屬於GroupⅥ

參考答案

答案:D
難度:適中0.607143
統計:A(3),B(2),C(2),D(34),E(0)

用户評論

【用戶】Kiki

【年級】高三上

【評論內容】A)2 B)1 C)34:Engine-driven instruments that adapt themselves three-dimensionally to the shape of the root canal.5:Engine-driven reciprocating instruments.

【用戶】Kiki

【年級】高三上

【評論內容】A)2 B)1 C)34:Engine-driven instruments that adapt themselves three-dimensionally to the shape of the root canal.5:Engine-driven reciprocating instruments.