52.在進行金合金冠蓋體(gold onlay)窩洞修形時,其中心咬頭(centric cusp)之完成線
(finish line)應為:
(A)弧形緣(chamfer)
(B)肩台(shoulder)
(C)肩台型斜面(beveled shoulder)
(D)刀緣式(knife-edged)
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統計: A(137), B(43), C(328), D(17), E(0) #1032707
統計: A(137), B(43), C(328), D(17), E(0) #1032707