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后牙冠根折(以下简称纵折)在临床上并非少见。这种患牙由于从牙冠到牙根纵行完全裂开,裂开之牙片深达龈下,累及牙根或根分叉,在治疗上有一定困难,一般需要拔除。笔者自1980年以来,采用钢丝环扎——牙髓治疗加金属全冠修复治疗纵折牙120例,对其中的110例进行了3个月到2年以上的随访观察,绝大多数患牙得以保留并恢复了正常的咀嚼功能。临床资料本组共治疗纵折牙患者118人(患牙120颗),其中男72人,女46人;_年龄最小的16岁,最大的61岁,30～50岁的患者共84人,占本组病例的71.2％。本组120颗纵
Posterior crown root fracture (hereinafter referred to longitudinal folding) is not uncommon in clinical. The teeth due to the tooth from the root to the longitudinal split completely split, split the teeth deep into the subgingival, involving the root or root bifurcation, there are some difficulties in the treatment, the general need for removal. The author since 1980, the use of wire cerclage - endodontic treatment with metal crown restoration of the treatment of 120 cases of longitudinal teeth, of which 110 cases were 3 months to 2 years follow-up observation, the vast majority of teeth To retain and restore the normal chewing function. Clinical data of the group of 118 patients with longitudinal teeth (120 teeth), including 72 males and 46 females; _ the youngest 16-year-old, the largest 61-year-old, 30 to 50-year-old patients a total of 84 people, Accounting for 71.2% of the patients in this group. This group of 120 vertical