单项选择题
A.牙周膜 B.牙槽骨 C.咀嚼肌纤维 D.牙龈 E.结合上皮
A.牙槽骨 B.牙周膜 C.黏膜 D.牙龈 E.牙根
A.1234567 B.1254376 C.1234576 D.2145367 E.2143576
A.上颌21缺失,11,22为基牙 B.上颌11,21缺失,12,22为基牙 C.上颌26缺失,25,27为基牙 D.下颌34,35缺失,33,36为基牙 E.下颌34缺失,33,35为基牙
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