窝洞制备时，抗力形的要求中，哪一项是错误的A.洞的深度达到釉牙本质界下0.5mmB.盒形洞形：底平，壁直C.复面洞阶梯的龈壁为向颈方的斜面...

作者: rantiku 人气: - 评论: 0

问题窝洞制备时，抗力形的要求中，哪一项是错误的 A.洞的深度达到釉牙本质界下0.5mm B.盒形洞形：底平，壁直 C.复面洞阶梯的龈壁为向颈方的斜面 D.去除薄壁弱尖 E.洞缘曲线圆钝

选项

答案 C

解析

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