[单选题]

患者女,42岁。5|缺失一年要求固定义齿修复。口腔检查:5|缺隙大小正常,牙槽嵴无特殊;64|不松动,活髓,无龋损。为该患者实施了⑥5④|全冠烤瓷桥修复。固定桥粘固后当日出现过敏性疼痛,该症状可能的原因不包括(  )。

A.牙体切割后,暴露的牙体遇冷热刺激

B.牙体切割后,未采取保护措施

C.粘固时,消毒药物刺激

D.粘固时,粘固剂中游离酸刺激

E.粘固剂过期变质

参考答案与解析:

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