石英纤维桩在前磨牙残根残冠修复中的应用被引量：1

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摘要目的评价石英纤维桩加金属烤瓷冠或全瓷冠修复前磨牙残根残冠的临床效果。方法对92例120颗已行完善根管治疗的单根管前磨牙进行石英纤维桩树脂核全冠修复。按照牙体预备后剩余牙侧壁数量随机分成3组,A组牙冠剩余2个或多于2个侧壁,B组牙冠剩余1个侧壁,C组牙冠无侧壁,但有牙龈上2 mm的牙本质肩领。每一组又随机分成加置纤维桩和无纤维桩两个亚组(n=20)。治疗完成后6、12、24个月复查,评价修复体边缘完整性,观察牙周及根尖健康状况。结果 2 a总体失败率为15%;无桩组失败率为21.7%,有桩组失败率为8.3%,P<0.05;C组中,无桩亚组失败率40%,有桩亚组失败率10%,P<0.05;A组和B组中两个亚组失败率无统计学差异(P>0.05);无纤维桩置入病例中,A组和C组失败率存在统计学差异(P<0.05),而B组与其他两组间无统计学差异(P均>0.05);有纤维桩置入病例中,A、B、C三组均无统计学差异(P均>0.05)。结论纤维桩能提高无侧壁剩余根管治疗牙的生存率,而对具有完整牙冠侧壁存留的根管治疗牙不能提高其生存率。

作者段明丽李玉民李荣华殷恺林仰东

机构地区天津市第一中心医院

出处《山东医药》 CAS 2013年第24期70-72,共3页 Shandong Medical Journal

关键词残根残冠前磨牙树脂黏结纤维桩根管桩修复术

分类号 R783.3 [医药卫生—口腔医学]

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