| 上颌第二磨牙近中颊根MB2根管的临床研究 |
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| 引用本文： | 梁广智,范兵. 上颌第二磨牙近中颊根MB2根管的临床研究[J]. 现代口腔医学杂志, 2005, 19(1): 38-40 |
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| 作者姓名： | 梁广智 范兵 |
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| 作者单位： | 1. 山东潍坊牙科医院
2. 430079,武汉大学口腔医学院 |
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| 摘 要： | 目的研究上颌第二磨牙近中颊根第二根管的临床发现率。方法采用改良髓腔入口和探查近中颊根根管口与腭根根管口之间发育沟或暗线的方法研究上颌第二磨牙近中颊根第二根管的肉眼发现率。结果60例患者的64颗上颌第二磨牙中有19颗存在近中颊根第二根管，发现率为29．7％。结论改良髓腔入口和探查近中颊根根管口与腭根根管口之间发育沟或暗线的方法，有利于发现和治疗上颌第二磨牙近中颊根第二根管。
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| 关 键 词： | 近中颊根 上颌 第二磨牙 发现率 MB2根管 髓腔 根管口 入口 方法研究 |
Clinical study of the second mesiobuccal canal of maxillary second molars |
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| LIANG Guangzhi,FAN Bing. College of Stomatology,Wuhan University,Wuhan. Clinical study of the second mesiobuccal canal of maxillary second molars[J]. Journal of Modern Stomatology, 2005, 19(1): 38-40 |
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| Authors: | LIANG Guangzhi FAN Bing. College of Stomatology Wuhan University Wuhan |
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| Affiliation: | LIANG Guangzhi,FAN Bing. College of Stomatology,Wuhan University,Wuhan 430079 |
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| Abstract: | Objective To investigate the clinical incidence of the second mesiobuccal root canal of maxillary second molars. Methods Incidence of the second mesiobuccal root canal of maxillary second molars was determined by using the modified acceas preparation and probing the fissure or grooves between the mesiobuccal and palatalcanal orifices. Results Of the 64 maxillary second molars of 60 patients, 19 of the molars had second mesiobuccal root canals. The incidence rate was 29.7%. Conclusion Identifying and treating the second mesiobuccal root canal in maxillary second molars is improved by modified access preparation and probing the fissure or groove between the mesiobuccal and palatal canal orifices. |
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| Keywords: | Maxillary second molars Mesiobuccal root The second canal Incidence |
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