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利用 CBCT 分析下颌髁突的容积不对称性。

Analysis of the Volumetric Asymmetry of the Mandibular Condyles Using CBCT.

机构信息

College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates.

College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates.

出版信息

Int Dent J. 2022 Dec;72(6):797-804. doi: 10.1016/j.identj.2022.06.019. Epub 2022 Aug 2.

DOI:10.1016/j.identj.2022.06.019
PMID:35931561
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9676531/
Abstract

OBJECTIVES

The aim of this study was to analyse volumetric asymmetries between the right and left condyles in relation to age, gender, and dental status.

MATERIALS AND METHODS

A retrospective analysis of 150 cone beam computed tomography (CBCT) scans was conducted. A single investigator performed the volumetric analysis of the CBCT scans using Vesalius 3D software. The volumetric data were analysed in relation to the gender, age, and dental status.

RESULTS

The mean right condylar volume was significantly higher (P < .01) than the left condylar volume. Right and left condylar volumes were significantly higher (P < .01) in male study participants when compared to female study participants. There was no significant difference (P = .47) in the volumetric asymmetry between the male and female study participants. The volumetric asymmetry was significantly higher (P < .01) in the older age groups when compared to the younger age groups. The volumetric asymmetry was significantly higher (P < .01) in the partially and completely edentulous patients when compared to the dentate study participants. The condylar volume on the side having a partially edentulous area was significantly lower than the condylar volume of the contralateral dentate side (P < .001).

CONCLUSIONS

The volumetric asymmetry between the right and left condyle significantly increases with age and edentulousness. The result of the study encourages the clinicians to perform volumetric evaluation of the condyles in cases of radiographically evident condylar asymmetries to obtain a more accurate diagnosis.

摘要

目的

本研究旨在分析右侧和左侧髁突的体积不对称与年龄、性别和牙齿状况的关系。

材料和方法

对 150 例锥形束 CT（CBCT）扫描进行回顾性分析。一位研究者使用 Vesalius 3D 软件对 CBCT 扫描进行了容积分析。对性别、年龄和牙齿状况进行了容积数据分析。

结果

右侧髁突体积明显高于左侧（P<.01）。与女性研究参与者相比，男性研究参与者的右侧和左侧髁突体积明显更高（P<.01）。男性和女性研究参与者之间的容积不对称无显著差异（P=.47）。与年轻组相比，年龄较大组的容积不对称性更高（P<.01）。与有牙组相比，部分和完全无牙组的容积不对称性更高（P<.01）。有部分缺牙区的一侧髁突体积明显低于对侧有牙区（P<.001）。

结论

右侧和左侧髁突之间的体积不对称性随着年龄和无牙状态的增加而显著增加。研究结果鼓励临床医生在存在影像学上明显髁突不对称的情况下对髁突进行容积评估，以获得更准确的诊断。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f40e/9676531/b1ed3135e1cc/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f40e/9676531/7469e7359b3e/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f40e/9676531/b1ed3135e1cc/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f40e/9676531/7469e7359b3e/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f40e/9676531/b1ed3135e1cc/gr2.jpg

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