46.牙齒修形(tooth preparation)的原則,需符合生物性(biologic)、機械性(mechanical)及美
觀性(esthetic)的考量。下列那一項不屬於生物性的考量?
(A)避免過度造型(avoidance of overcontouring)
(B)牙齦下邊緣(subgingival margin)
(C)牙齦上邊緣(supragingival margin)
(D)預防牙齒斷裂(protection against tooth fracture)
答案:登入後查看
統計: A(18), B(223), C(30), D(49), E(0) #1032461
統計: A(18), B(223), C(30), D(49), E(0) #1032461