44.在進行一級汞齊填補前,若使用鑽針或挖匙(spoon excavators)移除齲齒,會在pulpal wall留下凹陷,凹陷的外圍保留部分平坦之構造(甲)稱為下列何者?
(A)peripheral seat
(B)retention groove
(C)occlusal rest
(D)base
答案:登入後查看
統計: A(541), B(30), C(15), D(56), E(0) #3378945
統計: A(541), B(30), C(15), D(56), E(0) #3378945