前牙3/4冠邻沟的深度应为A.1mm B.2mm C.0.5mm D.1.5mm E.2.5mm

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问题 前牙3/4冠邻沟的深度应为

选项 A.1mm
B.2mm
C.0.5mm
D.1.5mm
E.2.5mm

答案A

解析
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