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1临床资料患者男,41岁,主因右下磨牙治疗后咬牙合不适1年,于2012年2月25日就诊。既往无高血压、高血脂以及其他慢性疾病史。饮酒10年,每日2次;有烟嗜好10年,每日20支。查体:一般情况好,精神状态好,右下第一磨牙烤瓷冠修复,咬牙合纸检查无咬牙合高点,有叩痛,牙周组织未发现急性炎性脓肿等异常,牙周无瘘管形成,无牙龈显著退缩。X线片检查:右下第一磨牙已做根管治疗,但远中根超
1 Clinical data Male patient, 41 years old, mainly due to right lower molars bite discomfort after treatment for 1 year, on February 25, 2012 treatment. No history of high blood pressure, hyperlipidemia and other chronic diseases. 10 years of drinking, 2 times a day; a hobby of smoking 10 years, 20 daily. Physical examination: the general situation is good, good mental state, lower right first molar porcelain crown repair, bite check the paper without bite high, there is percussion pain, periodontal tissue found no acute inflammatory abscess and other anomalies, periodontal Fistula formation, no significant gingival recession. X-ray examination: the right lower first molar root canal treatment has been done, but far in the root super