下列牙齿的开髓洞形呈：下颌磨牙A.圆三角形B.椭圆形C.钝圆角梯形D.四边形E.圆形

作者: rantiku 人气: - 评论: 0

问题下列牙齿的开髓洞形呈：下颌磨牙 A.圆三角形 B.椭圆形 C.钝圆角梯形 D.四边形 E.圆形

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答案 C

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