文章摘要
吴文蕾,陈 斌,孙卫斌.超声波根尖倒预备在根尖切除术中的应用[J].南京医科大学学报,2010,(12):1764~1767
超声波根尖倒预备在根尖切除术中的应用
Ultrasonic root end preparation in apicectomy:clinical evaluation
  
DOI:10.7655
中文关键词: 超声波根尖倒预备  根尖倒预备  根管外科
英文关键词: ultrasonic root end preparation  root end preparation  root surgery
基金项目:南京市医学科技发展专项项目资助(ZKX07022)
作者单位
吴文蕾 南京大学口腔医学院附属南京市口腔医院牙周科,江苏 南京 210008 
陈 斌 南京大学口腔医学院附属南京市口腔医院牙周科,江苏 南京 210008 
孙卫斌 南京大学口腔医学院附属南京市口腔医院牙周科,江苏 南京 210008 
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中文摘要:
      目的: 回访分析采用超声波根尖倒预备的根尖手术术后1年临床疗效,并与常规根尖倒预备法对照分析?方法:回访分析根尖切除术病例98例,其中采用常规根尖倒预备(conventional technique,C组)的58例,采用超声波根尖倒预备(ultrasonic root end preparation,U 组)的40例?采用双盲分析法对这些病例的临床效果进行评估?结果:超声波根尖倒预备组(U组)的1年成功率为90.0%,其中切牙为 92.6 %,前磨牙为84.6%?常规根尖倒预备组(C组)的1年成功率为82.8%,其中切牙为91.2%,前磨牙为70.8%?结论:根尖倒预备能够提高根尖切除术的临床疗效?超声波倒预备比常规根尖倒预备的成功率高,超声波倒预备利于更严密地封闭根尖?
英文摘要:
      Objective: The purpose of this study was to evaluate the potential benefit of an ultrasonic device in apical surgery on the outcome of treatment when comparing with conventional technique using a bur. Methods:A case-control study was used in a standardized treatment protocol. 98 patients were treatment with an ultrasonic device or with a bur for preparation. One year after treatment the results were sorted and numbered by another clinician. The results were evaluated by a third dentist who was blinded for the therapy. Results:The overall success rate in the ultrasonic group was 90.0% and in the group treated with a bur 82.8%(P > 0.05). In premolars,the difference in success rate was 84.6% in ultrasonic group and 70.8% in conventional group(P > 0.05). Conclusion:The use of an ultrasonic device in apical surgery improved the outcome of treatment. Ultrasonic preparation could get better cannel obturation than conventional technique.
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