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本文引用的文献

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Retrospective study of root canal configurations of maxillary third molars in Central India population using cone beam computed tomography Part- I.使用锥形束计算机断层扫描对上颌第三磨牙根管形态的回顾性研究——印度中部人群 第一部分
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2
Evaluation of number of roots and root anatomy of permanent mandibular third molars in a Korean population, using cone-beam computed tomography.使用锥形束计算机断层扫描评估韩国人群中恒下颌第三磨牙的根数和牙根解剖结构。
Eur J Dent. 2013 Jul;7(3):296-301. doi: 10.4103/1305-7456.115413.
3
Use of cone-beam computed tomography to evaluate root and canal morphology of mandibular first and second molars in Turkish individuals.应用锥形束 CT 评估土耳其人群下颌第一、二磨牙的根管及牙根形态。
Med Oral Patol Oral Cir Bucal. 2013 Jul 1;18(4):e737-44. doi: 10.4317/medoral.18473.
4
Root canal configurations of third molar teeth. A comparison with first and second molars in the Turkish population.第三磨牙的根管形态：土耳其人群中与第一、二磨牙的比较。
Aust Endod J. 2011 Dec;37(3):109-17. doi: 10.1111/j.1747-4477.2010.00254.x. Epub 2010 Sep 1.
5
The effect of sutureless wound closure on postoperative pain and swelling after impacted mandibular third molar surgery.无缝合伤口闭合对下颌阻生第三磨牙拔除术后疼痛和肿胀的影响。
Br J Oral Maxillofac Surg. 2012 Apr;50(3):256-8. doi: 10.1016/j.bjoms.2011.04.075. Epub 2011 Jun 1.
6
Root anatomy and canal configuration of the permanent mandibular first molar: a systematic review.下颌第一恒磨牙的根管解剖和形态：系统评价。
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Evaluation of the root and canal morphology of mandibular first permanent molars in a western Chinese population by cone-beam computed tomography.应用锥形束 CT 评估中国西部人群下颌第一恒磨牙的根管及牙根形态。
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Mandibular first molar having an unusual mesial root canal morphology with contradictory cone-beam computed tomography findings: a case report.下颌第一磨牙近中根管形态异常，锥形束 CT 检查结果矛盾：一例报告。
J Endod. 2010 Oct;36(10):1712-6. doi: 10.1016/j.joen.2010.06.024. Epub 2010 Aug 14.
9
Comparative evaluation of modified canal staining and clearing technique, cone-beam computed tomography, peripheral quantitative computed tomography, spiral computed tomography, and plain and contrast medium-enhanced digital radiography in studying root canal morphology.比较改良根管染色和透明技术、锥形束计算机断层扫描、外周定量计算机断层扫描、螺旋计算机断层扫描以及普通和对比增强数字射线照相术在研究根管形态方面的效果。
J Endod. 2010 Sep;36(9):1547-51. doi: 10.1016/j.joen.2010.05.008. Epub 2010 Jul 15.
10
Immediate autotransplantation of mandibular third molar in China.中国下颌第三磨牙的即刻自体移植
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010 Oct;110(4):436-40. doi: 10.1016/j.tripleo.2010.02.026. Epub 2010 May 10.

使用锥形束计算机断层扫描对下颌第三磨牙根管形态的回顾性研究 - 第二部分。

Retrospective Study of Root Canal Configurations of Mandibular Third Molars Using CBCT- Part-II.

作者信息

Somasundaram Pavithra, Rawtiya Manjusha, Wadhwani Shefali, Uthappa Roshan, Shivagange Vinay, Khan Sheeba

机构信息

Assistant Professor, Department of Conservative Dental Sciences, College of Dentistry, Qassim University, Buraydah, Kingdom of Saudi Arabia.

Reader, Department of Conservative Dentistry and Endodontics, Narsinhbhai Patel Dental College, Visnagar, Gujarat, India.

出版信息

J Clin Diagn Res. 2017 Jun;11(6):ZC55-ZC59. doi: 10.7860/JCDR/2017/20153.10072. Epub 2017 Jun 1.

DOI:10.7860/JCDR/2017/20153.10072
PMID:28764294
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5535483/
Abstract

INTRODUCTION

Abnormal root canal morphologies of third molars can be diagnostically and technically challenging during root canal treatment.

AIM

The aim of this retrospective study was to investigate the root and canal morphology of mandibular third molars in Central India population by using Cone Beam Computed Tomography (CBCT) analysis.

MATERIALS AND METHODS

CBCT images of 171 mandibular third molars were observed and data regarding number of roots, number of canals, Vertucci's classification in each root, prevalence of C shaped canal, gender and topographical relation of morphology in mandibular third molar was statistically evaluated.

RESULTS

Majority of mandibular third molars had two roots (84.2%) and three canals (64.3%). Most mesial root had Vertucci Type II (55.6%) and Vertucci Type IV (22.2%), distal root had Type I canals (87.5%). Over all prevalence of C shaped canals in mandibular third molars was 9.4%.

CONCLUSION

There was a high prevalence of two rooted mandibular third molars with three canals.

摘要

引言

在根管治疗过程中，第三磨牙异常的根管形态在诊断和技术操作上都具有挑战性。

目的

这项回顾性研究的目的是通过锥形束计算机断层扫描（CBCT）分析，调查印度中部人群下颌第三磨牙的牙根和根管形态。

材料与方法

观察171颗下颌第三磨牙的CBCT图像，并对牙根数量、根管数量、每个牙根的韦尔图奇分类、C形根管的患病率、性别以及下颌第三磨牙形态的地形关系等数据进行统计学评估。

结果

大多数下颌第三磨牙有两个牙根（84.2%）和三个根管（64.3%）。大多数近中根为韦尔图奇II型（55.6%）和韦尔图奇IV型（22.2%），远中根为I型根管（87.5%）。下颌第三磨牙中C形根管的总体患病率为9.4%。

结论

有两个牙根且有三个根管的下颌第三磨牙患病率较高。