作烤瓷冠牙体预备时要求切缘斜面与牙长轴呈A.5° B.60° C.15° D.45° E.30°

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问题作烤瓷冠牙体预备时要求切缘斜面与牙长轴呈

选项 A.5°
B.60°
C.15°
D.45°
E.30°

答案D

解析

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