Changes in the structure and function of tongue before and after orthognathic surgery: Retrospective study

IF 0.4 Q4 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Oral and Maxillofacial Surgery Medicine and Pathology Pub Date : 2025-03-13 DOI:10.1016/j.ajoms.2025.03.006

Riku Kohara , Karen Gomi , Atsuya Ishiyama , Sumire Ono , Young Min Shin , Akinori Moroi , Kunio Yoshizawa , Koichiro Ueki

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引用次数: 0

Abstract

Objective

This study aimed to compare changes in tongue morphology and function before and after orthognathic surgery.

Methods

Sixty patients with jaw deformities who underwent orthognathic surgery were enrolled. Tongue pressure, computed tomography (CT), and cephalometric analyses were performed before and one-year post-surgery. Tongue pressure was measured using a pressure-measuring device (TPM-02®; JMS Co., Ltd, Tokyo, Japan). Participants were instructed to press their tongues with maximum force for 20 s, and measurements were repeated three times, with the mean value used for analysis. CT images were reconstructed using ProPlan CMF (Materialize, Belgium), and CT values of the tongue were measured. Cephalograms were analyzed using Cephalometric A to Z software (Yasunaga Labo Com, Fukui, Japan), with key measurements being tongue length (TGL), tongue height (TGH), and tongue area.

Results

In class II females, postoperative tongue pressure, tongue area, length, height, and CT values were significantly higher than pre-operative values. Before surgery, class II females exhibited significantly lower tongue pressure, tongue area, and tongue length than other groups, although this was not observed one year after the operation.

Conclusions

This study suggests that orthognathic surgery significantly alters tongue morphology and function, affecting CT values.

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正颌手术前后舌结构和功能的变化：回顾性研究

目的比较正颌手术前后舌形态和功能的变化。方法选取60例行正颌手术的颌骨畸形患者。术前和术后1年分别进行舌压、计算机断层扫描（CT）和头颅测量分析。使用压力测量装置（TPM-02®）测量舌压；JMS株式会社，日本东京)。参与者被要求以最大的力量按压他们的舌头20 s，测量重复三次，平均值用于分析。使用ProPlan CMF （Materialize, Belgium）软件重建CT图像，测量舌部CT值。使用Cephalometric A to Z软件（Yasunaga Labo Com, Fukui, Japan）分析脑图，主要测量舌长（TGL）、舌高（TGH）和舌面积。结果II类女性术后舌压、舌面积、舌长、舌高及CT值均显著高于术前。手术前，II类女性的舌压、舌面积和舌长明显低于其他组，尽管在手术一年后没有观察到这种情况。结论正颌手术可显著改变舌部形态和功能，影响CT值。

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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