| 使用手术显微镜对上颌第一磨牙近中颊侧第二根管应用解剖的研究 |
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| 引用本文： | 易飞舟,丁蓉民.使用手术显微镜对上颌第一磨牙近中颊侧第二根管应用解剖的研究[J].牙体牙髓牙周病学杂志,2004,14(2):78-80. |
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| 作者姓名： | 易飞舟 丁蓉民 |
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| 作者单位： | 第四军医大学口腔医学院,陕西,西安,710032 |
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| 摘 要： | 目的：使用手术显微镜（operating microscope,OM）研究上颌第一磨牙近中颊侧第二根管口（MB2）形态和解剖位置关系，为根管治疗时寻找根管口提供解剖学依据。方法：采用UNIVERSA300/FS2012手术显微镜，观察110个上颌第一磨牙的MB2根管口形态及其发生率。结果：上颌第一磨牙的MB2出现率为38%；根管口的形态为圆形和卵圆形。结论：使用手术显微镜可以有效地发现MB2。
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| 关 键 词： | 手术显微镜 上颌第一磨牙 近中颊根第二根管 |
| 文章编号： | 1005-2593(2004)02-0078-03 |
| 修稿时间： | 2003年10月8日 |
Applied anatomy of mb-2 root canal orifice of maxillary first permanent molar with operating microscope |
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| YI Fei-zhou,DING Rong-min.Applied anatomy of mb-2 root canal orifice of maxillary first permanent molar with operating microscope[J].Chinese Journal of Conservative Dentistry,2004,14(2):78-80. |
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| Authors: | YI Fei-zhou DING Rong-min |
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| Abstract: | AIM: To study the shape and location of MB2 orifice in maxillary first permanent molar with OM and provide a morphological basis for locating the root canal orifice in endodonic therapy. METHODS:The shape and detective rate of MB2 in 110 maxillary first permanent molars were observed under UNIVERSA 300/FS2012 operating microscope. RESULTS: The rate of appearance of mesiobuccal root of maxillary first permanent molar is 38%.The shape of opening of the root canal was classified into two types:round and oval. CONCLUSION: MB2 could be found effectively with operating microscope. |
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| Keywords: | operating microscope maxillary first permanent molar MB2 |
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