前牙3/4冠舌面应磨出间隙为A.0.8~1.2mm B.0.5~1.0mm C.1.5mm D.0.2~0.5mm E.1.0~1.2mm

admin2020-12-24  23

问题 前牙3/4冠舌面应磨出间隙为

选项 A.0.8~1.2mm
B.0.5~1.0mm
C.1.5mm
D.0.2~0.5mm
E.1.0~1.2mm

答案B

解析
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