当前位置：在线题库搜索＞[单选题]患者，男，30岁，两年前全冠修复左下后牙，一直使用良好，近1周感该牙痛，昨日始出现夜间疼。查：6铸造全冠修复，远中颈探诊空虚，探痛明显，余未见异常。引起夜间疼的主要原因是（ ）。的答案是什么？
问题：
[单选题]患者，男，30岁，两年前全冠修复左下后牙，一直使用良好，近1周感该牙痛，昨日始出现夜间疼。查：6铸造全冠修复，远中颈探诊空虚，探痛明显，余未见异常。引起夜间疼的主要原因是（ ）。
A、冠边缘粘固剂溶解
B、牙龈萎缩至颈部暴露
C、咬合创伤
D、继发龋引起牙髓炎
E、水平食物嵌塞引起龈乳突炎
参考答案：
D
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