采用冠外附着体的基牙牙冠龈径高度应A.>6mm B.>4mm C.>3mm D.>7mm E.>5mm

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问题 采用冠外附着体的基牙牙冠龈径高度应

选项 A.>6mm
B.>4mm
C.>3mm
D.>7mm
E.>5mm

答案A

解析
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