罩牙本质中胶原纤维的排列与牙本质小管A.交叉成45° B.垂直 C.无规律可循 D.平行 E.相互缠绕

作者: tihaiku 人气: - 评论: 0

问题罩牙本质中胶原纤维的排列与牙本质小管

选项 A.交叉成45° B.垂直 C.无规律可循 D.平行 E.相互缠绕

答案 D

解析

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