袋底位于牙槽骨嵴冠方的牙周袋为（　　）A.龈袋B.骨上袋C.骨下袋D.复合袋E.复杂袋

作者: rantiku 人气: - 评论: 0

问题袋底位于牙槽骨嵴冠方的牙周袋为（　　） A.龈袋 B.骨上袋 C.骨下袋 D.复合袋 E.复杂袋

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答案 B

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