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根管长度电测法准确性的临床评价
http://www.100md.com 《滨州医学院学报》 2000年第2期
根管长度测定;,根管充填术,,根管长度测定;根管充填术,1材料和方法,2结果,3讨论
     【摘要】 目的 评价全自动根管长度测定仪测定根管长度的准确性。方法 选择需进行根管治疗者147人163颗牙297个根管,随机分为两组。试验组采用全自动根管长度测定仪测定根管工作长度,对照组采用手感法估计根管工作长度,充填根管后拍X线牙片了解其准确性。结果 试验组充填准确率明显高于对照组(P<005)。结论 全自动根管长度测定仪测定根管长度的准确性较高。

    【关键词】 根管长度测定;根管充填术

    Evaluation of the measuring accuracy of root canal length with an electronic apex locator

    CAI Jun WANG Aiqing SHU Jingyuan et al

    Affiliated Hospital of Binzhou Medical University ,Binzhou 256603

    【Abstract】 Objective To evaluate the accuracy of the fully automatic root canal measuring device. Methods 297 canals of 147 patients with 163 teeth were divided into two groups randomly. The experimental group was measured by the fully automatic root canal measuring device. The control group was estimated manually. The accuracy was evaluated by radiological observation.Results The successful ratio of root canal therapy of experimental group was obviously higher than that of other group(P<0.05). Conclusion The fully automatic root canal measuring device is more accurate in root canal length measuring. ......

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