面部不对称与胸椎偏位关系的研究

IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Oral and Maxillofacial Surgery Medicine and Pathology Pub Date : 2024-11-22 DOI:10.1016/j.ajoms.2024.11.007

Sumire Ono, Riku Kohara, Ryohei Iwasaki, Karen Gomi, Akinori Moroi, Kunio Yoshizawa, Koichiro Ueki

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引用次数: 0

摘要

目的先前的研究已将面部不对称与脊柱侧凸联系起来，但与胸椎偏曲的关系尚不清楚。本研究旨在探讨面部不对称与胸椎偏曲之间的关系。方法回顾性分析92名接受口腔手术的日本女性的CT平片和胸部x光检查。使用SIMPLANT从CT数据重建头颅x线片。根据上颌下颌（Mx-Md）中线角度偏离2.5°将患者分为对称组和不对称组。胸片测量胸偏度（DTh），用Cobb法测定Cobb角。多元回归分析探讨胸椎偏度与头颅测量参数的关系。非配对t检验比较各组之间的胸椎测量值。结果DTh与正位测量的Mx-Md中线角（p = 0.011）、咬合夹角（p = 0.017）、侧位测量的齿状三角形角、下颌长度（Co-Gn）（R²= 0.18,p = 0.002）有显著相关性。头颅测量参数与Cobb角之间无明显关联。92例患者中，对称组49例，不对称组43例。不对称组胸椎偏度明显增大(p <；0.001)，但Cobb角未见差异。结论面部不对称与胸椎偏曲有关，但与脊柱侧凸无明显关系。

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Investigation of the relationship between facial asymmetry and thoracic spine deviation

Objectives

Previous studies have linked facial asymmetry to scoliosis, but the relationship with thoracic vertebral deviation is unclear. This study aimed to investigate the association between facial asymmetry and thoracic spinal deviation.

Methods

This retrospective study analyzed 92 Japanese women who underwent computed tomography (CT) and plain chest X-rays for oral surgery. Cephalometric radiographs were reconstructed from CT data using SIMPLANT. Patients were categorized into symmetric and asymmetric groups based on a 2.5° deviation from the maxillomandibular (Mx-Md) midline angle. Thoracic deviation (DTh) was measured on chest X-rays, and Cobb angles were determined using the Cobb method. Multiple regression analysis explored the relationship between thoracic spine deviation and cephalometric parameters. Unpaired t-tests compared thoracic vertebrae measurements between the groups.

Results

Significant associations were observed between DTh and several cephalometric parameters, including the Mx-Md midline angle (p = 0.011) and occlusal cant (p = 0.017) from frontal cephalometry, as well as the odontoid triangle angle and mandibular length (Co-Gn) from lateral cephalometry (R² = 0.18, p = 0.002). No significant association was found between cephalometric parameters and the Cobb angle. Of the 92 patients, 49 and 43 were included in the symmetric and asymmetric groups, respectively. The asymmetric group exhibited significantly larger thoracic deviation (p < 0.001), though no difference was observed in Cobb angle.