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中华口腔医学研究杂志(电子版) ›› 2010, Vol. 4 ›› Issue (06) : 608 -614. doi: 10.3877/cma.j.issn.1674-1366.2010.06.012

临床研究

根分叉病变的残冠分根术后修复效果观察
叶剑涛1,(), 常少海1, 孔祥波1, 张翠翠1, 廖隽琨1   
  1. 1.510120 广州,中山大学孙逸仙纪念医院口腔科
  • 收稿日期:2010-06-30 出版日期:2010-12-01
  • 通信作者: 叶剑涛

The outcomes of restoration of residual crown with furcation involvement following root separation

Jian-tao YE1,(), Shao-hai CHANG1, Xiang-bo KONG1, Cui-cui ZHANG1, Juan-kun LIAO1   

  1. 1.Department of Stomatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
  • Received:2010-06-30 Published:2010-12-01
  • Corresponding author: Jian-tao YE
引用本文:

叶剑涛, 常少海, 孔祥波, 张翠翠, 廖隽琨. 根分叉病变的残冠分根术后修复效果观察[J/OL]. 中华口腔医学研究杂志(电子版), 2010, 4(06): 608-614.

Jian-tao YE, Shao-hai CHANG, Xiang-bo KONG, Cui-cui ZHANG, Juan-kun LIAO. The outcomes of restoration of residual crown with furcation involvement following root separation[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2010, 4(06): 608-614.

目的

探讨重度根分叉病变的下颌磨牙残冠行分根术和冠延长术后核桩冠修复的效果。

方法

22 例22 颗下颌磨牙,其中包括19 颗下颌第一磨牙,3 颗下颌第二磨牙,Ⅲ度或Ⅳ度根分叉病变合并有牙体缺损至龈下的残冠采用分根术和冠延长术,术后采用桩核和烤瓷冠、全瓷冠修复,追踪6 ~48 个月,观察修复效果。

结果

22 颗牙中21 颗咀嚼功能良好,无自觉症状,修复6 个月后,X 线片可见根间骨质轻度增生,边缘有硬骨板形成。1 颗牙修复12 个月后因持续性牙周炎和骨吸收、松动而拔除。

结论

重度根分叉病变的下颌磨牙残冠,经分根术和冠延长术后,能消除根分叉病变,冠保留修复的效果满意。

Objective

To observe the results of restoration with post-and-core crown after crown lengthening and root separation of mandibular residual crown with serious furcation involvement.

Methods

Twenty-two mandibular molars of 22 patients with degree Ⅲ or Ⅳfurcation involvement were selected, including 19 mandibular first molars and 3 mandibular second molars.These teeth was restored with post-cores and PFM or all ceramic combined crowns following root separation and crown lengthening.6-48 months follow-up was conducted to evaluate the clinical effect.

Results

Twenty-one teeth out of 22 showed good masticatory funcation, and were without self-conscious symptom.Radiographs 6 months after restoration showed interradicular osseous tissue has slight hyperplasia, lamina dura was seen.One of them was extracted 1 year after restoration because of durative periodontosis, osseous resorption and becoming loose.

Conclusions

Mandibular molar residual crown with serious furcation involvement could eliminate the furcation lesion by received root separation and crown lengthening, the outcomes of restoration was satisfied.

图1 术前
图2 术前X 线片
图3 术中
图4 术后6 周
图5 成品根管桩和树脂核
图6 烤瓷冠修复后
图7 术后3 年X 线片
图8 烤瓷冠修复后3 年
图9 术前
图10 术前X 线片
图11 银汞合金充填形成银汞合金桩核
图12 X 线片示银汞合金桩核
图13 术后6 周
图14 烤瓷冠修复
图15 烤瓷冠修复9 个月
图16 烤瓷冠修复9 个月后X 线片
图17 术前X 线片
图18 完善RCT 后X 线片
图19 分根术后X 线片
图20 分根术后
图21 纤维桩加树脂核
图22 全瓷冠修复
图23 修复后6 个月X 线片
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