[摘要]目的:评价西宁地区后牙残根、残冠采用桩核冠修复的临床效果。方法:选择50例西宁地区后牙残根残冠行完善的根管治疗后用硅橡胶印模材制取根管印模,间接法制作整体铸造和插销式分体铸造核桩,并进行金属烤瓷冠或金属冠修复。结果:经3年临床观察,成功48例(97%),失败2例,1例为6桩核折断,1例为4桩核冠脱落。结论:整体铸造和插销式分体铸造桩核冠,修复后牙残根残冠均可取得良好的临床效果。

    [关键词]西宁地区;桩核冠;残根残冠;修复

    [中图分类号]R783 [文献标识码]A [文章编号]1008-6455(2010)07-1026-03

    Clinical observation on spoiling root and crown after renovation by pole crown

    GU Hui-zhen1,ZHANG Mi-rong2,GAO Ling3,ZHI KE-qian3

    (1.Department of Stomatology,Qinghai People's Hospital,Xining 810007,Qinghai,China;2.Department of Stomatology,People' s Hospital of Jingyang County in Shaanxi;3.Department of Oral and Maxillofacial surgery,Stomatological Hospital,College of Medicine,Xi'an Jiaotong University) ......