问题
单项选择题 共用题干题
患者，男，56岁，曾先后戴用三副全口义齿，每次在使用两年左右均出现上总义齿正中折裂。此次戴用第四副全口义齿，使用一年后，再次折裂
其最可能的原因是（）
A.上唇系带附着位置离牙槽嵴太近
B.上总义齿基托不密贴
C.前牙深覆
D.上颌后牙排列偏颊侧
E.患者常咬硬物
答案
参考答案：D
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患者，男，56岁，曾先后戴用三副全口义齿，每次在使用两年左右均出现上总义齿正中折裂。此次戴用第四副全口义齿，使用一年后，再次折裂
其最可能的原因是（）
A.上唇系带附着位置离牙槽嵴太近
B.上总义齿基托不密贴
C.前牙深覆
D.上颌后牙排列偏颊侧
E.患者常咬硬物
参考答案：D
| 阅读下面的对话，根据对话内容补上所缺的句子，使对话意思完整。 | |
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