患者因深龋一次银汞充填后短期内出现冷热刺激痛,无自发痛。查体:充填物完好,叩(一),冷热测正常牙面时无痛,但测充填体处痛最可能的原因是A.备洞时刺激牙...

作者: rantiku 人气: - 评论: 0
问题 患者因深龋一次银汞充填后短期内出现冷热刺激痛,无自发痛。查体:充填物完好,叩(一),冷热测正常牙面时无痛,但测充填体处痛 最可能的原因是
选项 A.备洞时刺激牙髓 B.充填时未垫底 C.流电作用 D.充填体悬突 E.充填体高点
答案 B
解析

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