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中华口腔医学研究杂志(电子版) ›› 2008, Vol. 02 ›› Issue (06) : 590 -596. doi: 10.3877/cma.j.issn.1674-1366.2008.06.008

临床研究

显微根尖手术治疗39 例慢性根尖周炎病例的临床疗效
韦曦1, 古丽莎1, 凌均棨,1, 黄湘雅1   
  1. 1. 510055 广州,中山大学光华口腔医学院·附属口腔医院·口腔医学研究所
  • 收稿日期:2008-09-11 出版日期:2008-12-01
  • 通信作者: 凌均棨
  • 基金资助:
    2007年卫生部部属(管)医院临床学科重点项目2005年度广州市医药卫生科技重大项目

Outcome evaluation of endodontic microsurgery for 39 cases with chronic apical periodontitis

Xi WEI1, Li-sha GU1, Jun-qi LING,1, Xiang-ya HUANG1   

  1. 1. Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou 510055, China
  • Received:2008-09-11 Published:2008-12-01
  • Corresponding author: Jun-qi LING
引用本文:

韦曦, 古丽莎, 凌均棨, 黄湘雅. 显微根尖手术治疗39 例慢性根尖周炎病例的临床疗效[J/OL]. 中华口腔医学研究杂志(电子版), 2008, 02(06): 590-596.

Xi WEI, Li-sha GU, Jun-qi LING, Xiang-ya HUANG. Outcome evaluation of endodontic microsurgery for 39 cases with chronic apical periodontitis[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2008, 02(06): 590-596.

目的

评价显微根尖手术治疗39 例慢性根尖周炎病例的临床疗效。

方法

对39 例慢性根尖周炎病例进行显微根尖手术治疗,包括在牙科手术显微镜下借助显微外科器械对患牙进行根尖刮治、根尖切除、根尖倒预备和MTA 倒充填。 术后每3 个月复诊,通过临床和X 线片检查评价术后1年的疗效,分为愈合、好转和无效病例。

结果

39 例慢性根尖周炎病例1年后随访的治疗成功率为94.9%,其中治愈病例为82.1%,好转病例为12.8%。

结论

显微根尖手术对治疗慢性根尖周炎病损具有良好疗效。

Objective

The purpose of this prospective clinical study was to evaluate the outcome of endodontic microsurgery in a group of teeth with chronic apical periodontitis.

Methods

39 cases with failed conventional root canal treatment and periradicular lesions of endodontic origin were included. Surgical treatment included periapical curettage, root-end resection, retropreparation with ultrasonic microtips, and root-end filling with MTA. All surgical procedures were performed under a dental operating microscope. Healing was monitored clinically and radiographically using well defined criteria every three months up to one year. Cases were classified into three categories according to the outcome evaluation:(i) success (ii) improvement,and(iii) failure.

Results

94.9% of the surgically treated cases showed successful healing. Among them, 82.1% of the cases were completely healed and 12.8% of the cases were improved.

Conclusions

The outcome of the present study indicates that endodontic surgery with the use of dental operating microscope and microsurgical instruments may result in a predictable treatment outcome in teeth with persistent periradicular lesions.

图1 根尖切除术后借助显微口镜对根尖切除断面进行观察(×14),显微口镜(镜面直径3 mm)可直接置入患牙根尖部骨腔内,有利于术者观察根切断面
图2 采用微型超声工作尖完成根尖倒预备(×14),微型超声尖工作端(长度3 mm)能沿根管长轴行根尖倒预备,防止侧穿
图3 采用微型加压器对根切断面的MTA进行加压充填(× 14)
图4 根尖倒充填术后借助显微口镜对MTA倒充填物进行观察(× 14)
表1 显微根尖手术病例的牙位分布及术后1年的疗效
表2 显微根尖手术病例的性别分布及术后1年的疗效
表3 显微根尖手术病例的年龄分布及术后1年的疗效
表4 显微根尖手术病例根尖周病损组织病理类型及术后1年的疗效
表5 显微根尖手术后1年的疗效
图5 下颌前牙(31, 41, 42)显微根管治疗后即刻X 线片,显示根尖区约1.5 cm×2.0 cm 的透射影
图6 对31, 41, 42 行显微根尖手术治疗后即刻X 线片,显示根管内牙胶/糊剂充填材料与MTA 倒充填体具有相似的X 线阻射性且连续
图7 患牙6 个月后复查X 线片,显示根尖周骨缺损再生修复,透射影缩小
图8 患牙1年后复查X 线片,显示根尖周透射影消失和牙周膜重建
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