48. 在傳統後牙複合樹脂第二類型窩洞修形時,下列何者須修出斜面(bevel)?
(A) 齦側窩緣面邊緣(gingival cavosurface margin)
(B) 顏面溝延伸(facial extension)
(C) 咬合窩緣面邊緣(occlusal cavosurface margin)
(D) 鄰接盒型(proximal box)之頰側和舌側垂直窩緣面邊緣(buccal and lingual vertical cavosurface margin)
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統計: A(4), B(30), C(5), D(17), E(0) #1253260
統計: A(4), B(30), C(5), D(17), E(0) #1253260