80 下列關於上顎門牙支柱牙邊緣(margin)形態之設計,何者可使用在金屬陶瓷(metal-ceramic)冠之唇側面?
(A)斜面緣(bevel)
(B)鑿子緣(chisel edge)
(C)肩台緣(shoulder)
(D)斜面肩台緣(shoulder with bevel)
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統計: A(33), B(5), C(347), D(83), E(0) #888610
統計: A(33), B(5), C(347), D(83), E(0) #888610