内固定后全冠修复治疗磨牙纵折的疗效观察

Clinical evaluation of inner fixing and crown repair for the treatment of vertical fracture of molar

目的探讨内固定后全冠修复在磨牙冠根纵折治疗方面的应用价值。方法对98例纵折磨牙,用钢丝结扎后进行根管治疗及牙体预备,然后进行内固定及流动树脂充填,最后进行全冠修复。对照组102例,采取简单结扎后,直接进行冠修复。观察比较内固定组和对照组的临床疗效。结果内固定组中,成功90例,8例失败拔除,治疗成功率为91.83%。对照组中成功63例,39例失败拔除,治疗成功率为61.76%。两组成功率有显著性差异。结论磨牙纵折后应早期就诊,采用内固定后全冠修复,成功率较高。

Objective To investigate the therapeutic results of inner fixing and crown repair for the treatment of vertical fractures of molar. Methods Ninety-eight cases of vertical fracture of molars were treated first by inner fixing with stainless steel wire piercing the fractured crown bucally and lingually, and then by artificial crown after root canal therapy. 102 cases of vertical fracture of molars were treated by wire ligation around the neck and then crown repair,which served as a control. The treatment results were evaluated and compared. Results Ninety cases were successful and 8 failed in inner fixing group, with a success rate of 91.83%. Sixty-three cases were successful and 39 failed in control group,with a success rate of 61.76%. Conclusion The vertical fractured molars should be treated as early as possible. The rate of conservation was high after inner fixing and crown repair.