Changes in lateral standing posture following orthognathic surgery: a cohort study

IF 2.2 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

International journal of oral and maxillofacial surgery Pub Date : 2025-01-01 DOI:10.1016/j.ijom.2024.06.011

F. Akhlaghi, Z.S. Torabi, R. Tabrizi

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Abstract

Altering neuromuscular and musculoskeletal relationships also affects standing body posture, particularly in the head and neck areas. This prospective cohort study assessed the effects of orthognathic surgery on head posture in the lateral standing view. Thirty-one patients who underwent single-jaw orthognathic mandibular surgery were included. The patients underwent cephalometric and photographic evaluations of their habitual posture before and 6 months after surgery. The craniovertebral angle and Frankfort angle were determined and measured using MB-Ruler software. Mandibular positional changes were also measured by superimposing lateral cephalograms and recording changes in the menton point. All data were analysed by paired t-test. The craniovertebral angle increased significantly in patients with Class II malocclusion (P = 0.001) and decreased significantly in Class III patients (P = 0.004). Furthermore, the Frankfort angle was significantly increased in both Class II (P = 0.005) and Class III (P = 0.012) patients. The tendency towards forward head posture decreased in Class II patients, and the neck posture improved. Conversely, a slight but significant tendency towards a forward head posture was observed in Class III patients after surgery. Furthermore, the natural head position changed in both study groups, leading to a more upright head posture

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正颌手术后侧向站立姿势的变化：一项队列研究。

神经肌肉和肌肉骨骼关系的改变也会影响站立姿势，尤其是头部和颈部。这项前瞻性队列研究评估了正颌手术对侧方站立视图中头部姿势的影响。研究纳入了 31 名接受单颌下颌骨正颌手术的患者。患者在手术前和手术后 6 个月分别接受了头颅测量和习惯姿势摄影评估。使用 MB-Ruler 软件确定并测量了颅椎角和法兰克福角。下颌位置变化也是通过叠加侧位头影和记录门顿点的变化来测量的。所有数据均采用配对 t 检验进行分析。II 类错牙合畸形患者的颅椎夹角明显增大（P = 0.001），III 类患者的颅椎夹角明显减小（P = 0.004）。此外，Ⅱ类（P = 0.005）和Ⅲ类（P = 0.012）患者的法兰克福角均明显增大。II 级患者的头部前倾趋势减弱，颈部姿势得到改善。相反，在 III 级患者中，术后头部前倾的趋势轻微但明显。此外，两组患者的头部自然位置都发生了变化，头部姿势更加直立。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International journal of oral and maxillofacial surgery 医学-外科

CiteScore

5.10

自引率

4.20%

发文量

318

审稿时长

78 days

期刊介绍： The International Journal of Oral & Maxillofacial Surgery is one of the leading journals in oral and maxillofacial surgery in the world. The Journal publishes papers of the highest scientific merit and widest possible scope on work in oral and maxillofacial surgery and supporting specialties. The Journal is divided into sections, ensuring every aspect of oral and maxillofacial surgery is covered fully through a range of invited review articles, leading clinical and research articles, technical notes, abstracts, case reports and others. The sections include: • Congenital and craniofacial deformities • Orthognathic Surgery/Aesthetic facial surgery • Trauma • TMJ disorders • Head and neck oncology • Reconstructive surgery • Implantology/Dentoalveolar surgery • Clinical Pathology • Oral Medicine • Research and emerging technologies.