上颌前磨牙牙根及根管系统及其与上颌窦关系的锥形束CT研究

doi:10.13701/j.cnki.kqyxyj.2022.01.013

口腔医学研究 ›› 2022, Vol. 38 ›› Issue (1): 60-64.DOI: 10.13701/j.cnki.kqyxyj.2022.01.013

上颌前磨牙牙根及根管系统及其与上颌窦关系的锥形束CT研究

丛培琳^1,2, 张富华^1,2,3*

1.安徽医科大学合肥口腔临床学院安徽合肥 230001;
2.安徽医科大学第五临床医学院安徽合肥 230001;
3.合肥市口腔医院安徽合肥 230001

收稿日期:2021-07-26 出版日期:2022-01-28 发布日期:2022-01-21
通讯作者: * 张富华,E-mail:zfh1024@163.com
作者简介:丛培琳(1996~ ),女,黑龙江富锦人,硕士在读,住院医师,主要从事牙体牙髓疾病发病机理和临床诊疗研究。
基金资助:
2018年合肥市卫生计生医学应用项目(编号:hwk2018yb013)

Cone Beam CT Study on Root and Canal System of Maxillary Premolars and Their Relationship with Maxillary Sinus

CONG Peilin^1,3, ZHANG Fuhua^1,2,3*

1. Hefei College of School of Stomatology, Anhui Medical Universary, Hefei 230001, China;
2. The Fifth Clinical Medical College of Anhui Medical University, Hefei 230001, China;
3. Hefei Stomatological Hospital, Hefei 230001, China

Received:2021-07-26 Online:2022-01-28 Published:2022-01-21

摘要/Abstract

摘要： 目的:采用锥形束 CT (CBCT) 方法研究上颌前磨牙牙根及根管系统及其与上颌窦之间的关系,以期为临床应用提供数据性参考。方法:收集866例上颌前磨牙的CBCT影像学资料(上颌第一、二前磨牙各1732颗),按照性别分组,应用NNTviewer软件观察牙根长度、牙根及根管数目、根管构型、上颌前磨牙牙根与上颌窦的关系及与性别变化的关系。结果:上颌前磨牙以单根最为多见,单根牙具有更多样的根管构型,大多数双根上颌前磨牙表现为Ⅳ型构型(96.3%),Ⅷ型根管仅在三根上颌前磨牙中出现。16.5%的上颌前磨牙牙根与上颌窦相贴或突入其中。结论:上颌前磨牙根管系统复杂多样,单根牙根管变异发生最多,牙根与上颌窦垂直关系密切。

关键词: 变异根管, 根管系统, 锥形束计算机断层扫描, 上颌窦

Abstract: Objective: To study the root and canal system of maxillary premolars and their relationship with maxillary sinus in order to provide data reference for clinical application. Methods: 866 patients with CBCT image data (1732 maxillary first premolars and 1732 maxillary second premolars) were included and grouped by gender. NNTViewer was used to measure the length of the roots and the number of roots and canals, and analyze the root canal configuration, the relationship between maxillary premolar roots and maxillary sinus, and their gender differences. Results: Single-rooted maxillary premolars were the commonest type, meanwhile, they exhibited more various canal configuration. Most double root maxillary premolars showed Ⅳ configuration(96.3%). Ⅷ configuration existed only in the three roots of maxillary premolars. Conclusion: The root canal system of maxillary premolars was complex and various. The canal morphology of single-rooted teeth was highly variable. The roots were closely correlated with maxillary sinus in the vertical direction.

Key words: variation root canals, canal system, cone beam computed tomography, maxillary sinus

丛培琳, 张富华. 上颌前磨牙牙根及根管系统及其与上颌窦关系的锥形束CT研究[J]. 口腔医学研究, 2022, 38(1): 60-64.

CONG Peilin, ZHANG Fuhua. Cone Beam CT Study on Root and Canal System of Maxillary Premolars and Their Relationship with Maxillary Sinus[J]. Journal of Oral Science Research, 2022, 38(1): 60-64.

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上颌前磨牙牙根及根管系统及其与上颌窦关系的锥形束CT研究

Cone Beam CT Study on Root and Canal System of Maxillary Premolars and Their Relationship with Maxillary Sinus

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