| RayPex5根尖定位仪测量根管工作长度准确性的临床评价 |
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| 引用本文： | 周宇翔,葛久禹,姚江江.RayPex5根尖定位仪测量根管工作长度准确性的临床评价[J].实用口腔医学杂志,2010,26(2). |
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| 作者姓名： | 周宇翔 葛久禹 姚江江 |
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| 作者单位： | 南京大学医学院附属口腔医院,210008 |
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| 摘 要： | 采用手感法、电测法测量211 个根管工作长度,而后用X线片法对所确定的根管工作长度进行验证.电测法和手感法准确率分别为96.21%和78.20%,两者有显著统计学差异(P<0.001).电测法测量前牙和磨牙的准确率分别为100%和92.5%,两者有统计学差异(P<0.05),而测量根尖周有病变与无病变组、前牙与前磨牙组、前磨牙与磨牙组准确率均无统计学差异.研究表明,电测法测定根管工作长度准确性高,且测量前牙的准确率高于测量磨牙的准确率;Raypex 5 型根尖定位仪可以较准确地测量根管工作长度.
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| 关 键 词： | RayPex5根尖定位仪 根管工作长度 准确性 |
A clinical evaluation on accuracy of RayPex5 apex locator for measuring root canal working length |
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| ZHOU Yuxiang,GE Jiuyu,YAO Jiangjiang.A clinical evaluation on accuracy of RayPex5 apex locator for measuring root canal working length[J].Journal of Practical Stomatology,2010,26(2). |
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| Authors: | ZHOU Yuxiang GE Jiuyu YAO Jiangjiang |
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| Institution: | ZHOU Yuxiang,GE Jiuyu,YAO Jiangjiang.210008,Stomatological Hospital of Medical College of Nanjing University,China |
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| Abstract: | In order to evaluate the accuracy of RayPex5 apex locator in measuring root canal working length in clinical practice and to analyze the possible factor resulting in deviation,the working length of total 211 root canals were measured by handing method and electronic method respectively.The exact working length of those root canals were determined by X-ray method.The accuracy rate of electronic method and handing method was 96.21% and 78.2% respectively,with significant difference(P<0.001).The accuracy rate ... |
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| Keywords: | Raypex5-apex locator Root canal working length Accuracy |
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