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磨牙由于创伤或干髓术后发生纵折的情况在口腔门诊常见。我们曾采用先牙髓治疗再全冠修复的方法治疗，虽避免了部分纵折牙的拔除，但牙髓治疗的操作极为不便。因为纵折牙虽经结扎，仍由于折裂牙体的微小位移，造成牙髓治疗的困难及药物渗漏。从１９９４年开始，笔者对磨牙...
Molar teeth due to trauma or dry fold occurred after surgery in the oral clinic is common. We have used the first endodontic treatment and then the whole crown repair method of treatment, although to avoid the partial vertical tooth extraction, but the endodontic treatment is extremely inconvenient. Although the vertical teeth through the ligation, still due to the small displacement of the fracture tooth, resulting in dental pulp treatment difficulties and drug leakage. Since 1994, the author of molars ...