做嵌体牙体预备时，错误的做法是A.去净病变腐质 B.轴面最大周径线降至龈缘 C.提供良好的固位形和抗力形 D.适当磨改异常的对颌牙 E.预防性扩展

作者: tihaiku 人气: - 评论: 0

问题做嵌体牙体预备时，错误的做法是

选项 A.去净病变腐质 B.轴面最大周径线降至龈缘 C.提供良好的固位形和抗力形 D.适当磨改异常的对颌牙 E.预防性扩展

答案 B

解析

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