| 泸州地区下颌第一前磨牙根管系统锥形束CT研究 |
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| 引用本文： | 喻洁,朱虹倩,刘兴容.泸州地区下颌第一前磨牙根管系统锥形束CT研究[J].川北医学院学报,2015(2):231-233,265. |
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| 作者姓名： | 喻洁 朱虹倩 刘兴容 |
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| 作者单位： | 泸州医学院附属口腔医院，泸州医学院口颌面修复重建和再生实验室，四川 泸州 646000 |
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| 摘 要： | 目的:应用锥形束CT探讨泸州地区下颌第一前磨牙牙根及根管形态。方法:选取872例下颌第一前磨牙锥形束CT(Cone beam CT,CBCT)影像,分析其根管数目及对称性。结果:下颌第一前磨牙参照Vertucci分类法,发生率分别为:Ⅰ型85.67%;Ⅲ型3.10%;Ⅳ型0.03%;Ⅴ型8.00%;C形2.87%。其中367例下颌第一前磨牙I型根管对称;10例Ⅲ型根管对称;1例Ⅳ型根管对称;25例Ⅴ型根管对称;7例C形根管对称。结论:下颌第一前磨牙根管系统复杂,CBCT为其根管治疗提供重要依据。
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| 关 键 词： | 下颌第一前磨牙 锥形束CT 根管形态 |
Morphological characteristics of the mandibular first premolars of Han nationality in Luzhou |
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| YU Jie,ZHU Hong-qian,LIU Xing-rong.Morphological characteristics of the mandibular first premolars of Han nationality in Luzhou[J].Journal of North Sichuan Medical College,2015(2):231-233,265. |
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| Authors: | YU Jie ZHU Hong-qian LIU Xing-rong |
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| Institution: | YU Jie;ZHU Hong-qian;LIU Xing-rong;Dental Hospital of Luzhou Medical College; |
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| Abstract: | Objective:Using cone beam CT to investigate the root-canals of the mandibular first premolars and their morpholog-ical characteristics in Luzhou areas. Methods:Cone beam CT images of 872 cases mandibular first premolars were collected and num-bered. The root-canal classification and bilateral symmetry were analyzed. Results:According to Vertucci classification,the incidence of type I canal configuration of mandibular first premolars was 85. 67%,type Ⅲ3. 10%,type Ⅳ0. 03%,type Ⅴ8. 00% and C-shaped 2. 87%. 367 cases of type I,10 cases of typeⅢ,one case of typeⅣ,25 cases of typeⅤ and 25 of C-shaped canal had bilateral sym-metry. Conclusion:The morphological characteristics of the mandibular first premolars is complex,CBCT can provide a basis for the root canal therapy. |
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| Keywords: | Mandibular first premolars Cone beam CT Morphological characteristics |
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