牙面清洁后最先在牙面形成的是A.牙菌斑 B.软垢 C.获得性膜 D.龈上菌斑 E.龈下菌斑

作者: tihaiku 人气: - 评论: 0

问题牙面清洁后最先在牙面形成的是

选项 A.牙菌斑 B.软垢 C.获得性膜 D.龈上菌斑 E.龈下菌斑

答案 C

解析

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