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本文引用的文献

1
The Effect of the Dental Operating Microscope on the Outcome of Nonsurgical Root Canal Treatment: A Retrospective Case-control Study.《牙科手术显微镜对非手术根管治疗效果的影响：回顾性病例对照研究》。
J Endod. 2017 May;43(5):728-732. doi: 10.1016/j.joen.2017.01.015. Epub 2017 Mar 11.
2
Morphological evaluation of maxillary second molars with fused roots: a micro-CT study.上颌第二磨牙融合根的形态学评估：一项微 CT 研究。
Int Endod J. 2017 Dec;50(12):1192-1200. doi: 10.1111/iej.12752. Epub 2017 Mar 10.
3
Prevalence of Root Fusions and Main Root Canal Merging in Human Upper and Lower Molars: A Cone-beam Computed Tomography In Vivo Study.人类上下颌磨牙牙根融合及主根管合并的患病率：一项锥束计算机断层扫描体内研究
J Endod. 2016 Jun;42(6):900-8. doi: 10.1016/j.joen.2016.03.005. Epub 2016 Apr 15.
4
Analysis of the Root and Canal Morphologies in Maxillary First and Second Molars in a Chinese Population Using Cone-beam Computed Tomography.使用锥形束计算机断层扫描分析中国人群上颌第一和第二磨牙的根管形态
J Endod. 2016 May;42(5):696-701. doi: 10.1016/j.joen.2016.01.017. Epub 2016 Mar 16.
5
Cone beam computed tomography in Endodontics.牙髓病学中的锥形束计算机断层扫描
Int Endod J. 2016 Mar;49(3):311-2. doi: 10.1111/iej.12600.
6
Four-rooted permanent maxillary first and second molars in a northwestern Chinese population.中国西北人群中的四根上颌第一和第二恒磨牙
Arch Oral Biol. 2015 Jun;60(6):811-7. doi: 10.1016/j.archoralbio.2015.02.024. Epub 2015 Mar 3.
7
Root and root canal morphology in maxillary second molar with fused root from a native Chinese population.来自中国本土人群的融合根上颌第二磨牙的牙根及根管形态
J Endod. 2014 Jun;40(6):871-5. doi: 10.1016/j.joen.2013.10.035. Epub 2013 Dec 15.
8
Evaluation of root and canal morphology of maxillary permanent first molars in a North American population by cone-beam computed tomography.通过锥形束计算机断层扫描评估北美人群上颌第一恒磨牙的根管形态。
J Endod. 2014 May;40(5):635-9. doi: 10.1016/j.joen.2014.02.002. Epub 2014 Mar 29.
9
Endodontic management of supernumerary tooth fused with maxillary first molar by using cone-beam computed tomography.应用锥形束 CT 对与上颌第一磨牙融合的额外牙进行牙髓治疗的管理。
J Endod. 2010 Nov;36(11):1901-4. doi: 10.1016/j.joen.2010.08.026. Epub 2010 Sep 17.
10
A cone-beam computed tomography study of maxillary first permanent molar root and canal morphology in a Chinese population.中国人上颌第一恒磨牙根管及形态的锥形束 CT 研究。
J Endod. 2010 Sep;36(9):1480-4. doi: 10.1016/j.joen.2010.06.018.

上颌第二磨牙颊根的1-3型根管形态

Type 1-3 Canal Configuration in the Buccal Root of a Maxillary Second Molar.

作者信息

Li Hui, Wang Qiang, Fan Mingwen, Xu Qingan

机构信息

Department of Operative Dentistry and Endodontics, Wuhan First Stomatological Hospital, No. 675 Jianshe Avenue, Jianghan District, Wuhan 430000, China.

Department of Stomatology, School of Medicine, Jianghan University, No. 8 SanJiao Lake Road, Economic and Technological Development District, Wuhan 430000, China.

出版信息

Case Rep Dent. 2022 Sep 1;2022:8991579. doi: 10.1155/2022/8991579. eCollection 2022.

DOI:10.1155/2022/8991579
PMID:36090693
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9458392/
Abstract

OBJECTIVES

A major challenge in root canal treatment is the complex and variable root canal system. There are several methods of classification of root canal systems. Herein, we report a case of a maxillary second molar, the root canal system of which could not be classified according to any of the previous methods. . Cone-beam computed tomography (CBCT), used to visualize the root canal system of a maxillary left second molar with fused roots, revealed a type 1-3 root canal system in the buccal root and a type 1-1 root canal system in the palatal root. A dental operating microscope was used throughout the treatment, and the root canals were successfully obturated.

CONCLUSION

To the best of our knowledge, this is the first report on the classification of buccal roots of maxillary second molars. . A dental operating microscope and CBCT play a vital role in mapping the root canal system to ensure that no canal is missed.

摘要

目的

根管治疗中的一个主要挑战是复杂多变的根管系统。根管系统有多种分类方法。在此，我们报告一例上颌第二磨牙病例，其根管系统无法按照以往任何一种方法进行分类。使用锥形束计算机断层扫描（CBCT）对上颌左侧融合根第二磨牙的根管系统进行可视化检查，结果显示颊根为1-3型根管系统，腭根为1-1型根管系统。整个治疗过程中使用了牙科手术显微镜，根管成功充填。

结论

据我们所知，这是关于上颌第二磨牙颊根分类的首次报告。牙科手术显微镜和CBCT在描绘根管系统以确保不遗漏任何根管方面发挥着至关重要的作用。