题目内容
下列关于前牙3/4冠邻面轴沟的说法,错误的是
2021-12-23
A.邻面轴沟尽可能靠近舌侧
B.可向切方聚合2°-5°
C.与唇面切2/3及舌隆突下的轴壁平行
D.深度为1mm
E.龈端在边缘线0.5mm以上
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