电动开口器对颞下颌关节盘复位术后张口训练的效果评价

doi:10.19438/j.cjoms.2025.06.005

中国口腔颌面外科杂志 ›› 2025, Vol. 23 ›› Issue (6): 567-572.doi: 10.19438/j.cjoms.2025.06.005

电动开口器对颞下颌关节盘复位术后张口训练的效果评价

王鹏程¹, 顾祝明², 何冬梅³

1.浙江大学医学院附属金华医院口腔科,浙江金华 321017;
2.上海瑞吉思医疗器械有限公司,上海 200433;
3.上海交通大学医学院附属第九人民医院口腔外科,上海 200011

收稿日期:2025-06-19 修回日期:2025-07-29 出版日期:2025-11-20 发布日期:2025-12-04
通讯作者: 何冬梅,E-mail: lucyhe119@163.com
作者简介:王鹏程（1992-）,男,硕士研究生,E-mail: wpcjhzxyy@163.com
基金资助:
国家口腔疾病临床医学研究中心课题项目（2022ZZ01017）; 上海交通大学医学院附属第九人民医院原创探索项目（JYYC015）

Evaluation of the electric mouth opener on mouth-opening training effectiveness following temporomandibular joint disc repositioning surgery

Wang Pengcheng¹, Gu Zhuming², He Dongmei³

1. Department of Stomatology, Jinhua Hospital Affiliated to Zhejiang University School of Medicine. Jinhua 321017, Zhejiang Province;
2. Shanghai RIGS Medical Equipment Co., Ltd. Shanghai 200433;
3. Department of Oral Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine. Shanghai 200011, China

Received:2025-06-19 Revised:2025-07-29 Online:2025-11-20 Published:2025-12-04

摘要/Abstract

摘要： 目的：介绍自主研发的电动开口器,并评价其在颞下颌关节盘复位手术后张口训练中的效果。方法：纳入颞下颌关节盘复位术后开口度<30 mm的30例患者,根据训练方式随机分为徒手牵伸组、牵伸支具组和电动开口器训练组。3组均进行6周居家康复训练,徒手牵拉组以手指辅助牵拉,牵伸支具组采用传统颞下颌关节牵伸支具,电动开口器组采用自主研发的4档可调节电动开口器。评估患者训练前、训练后2周及6周的最大开口度、疼痛和下颌运动评分。结果：三组患者训练前最大开口度无显著差异。张口训练6周后,三组最大开口度较训练前均显著改善（P<0.05）,其中电动开口器组[（39.2±1.5）mm]显著高于牵伸支具组[（35.7±2.8）mm]及徒手牵伸组[（32.1±4.0）mm]。电动开口器组训练后2周时疼痛评分出现显著降低,较徒手牵伸组有统计学差异（P<0.05）。术后6周,器械辅助张口训练的两组患者下颌运动功能评分均优于徒手牵伸组,电动开口器组效果更显著（P<0.05）。结论：电动开口器训练安全可靠,能显著加速颞下颌关节盘复位术后患者开口度的恢复,具有操作简便、安全稳定的优点。

关键词: 颞下颌关节盘复位术, 电动开口器, 张口训练, 最大开口度

Abstract: PURPOSE: To introduce a self-developed electric mouth opener and evaluate its efficacy in postoperative mouth-opening exercise following temporomandibular joint disc repositioning surgery. METHODS: Thirty patients with maximal interincisal opening(MIO) <30 mm after open disc repositioning surgery for anterior disc displacement were randomly assigned to three training groups: manual stretching, stretching device group, and electric mouth opener. All groups underwent 6 weeks of home-based rehabilitation: the manual group performed finger-assisted stretching, the stretching device group used a traditional TMJ stretching brace, and the electric group used the self-developed four-speed adjustable electric mouth opener. MIO, pain degree, and mandibular function evaluated with visual analog scale (VAS) before training, at 2 weeks and 6 weeks after training were recorded and compared. RESULTS: No significant differences in preoperative or postoperative MIO existed among three groups. After 6 weeks of training, all groups showed significant MIO improvement versus baseline (P<0.05). The electric mouth opener group achieved optimal recovery [(39.2±1.5) mm], significantly exceeding both the stretching device group [(35.7±2.8) mm] and manual group [(32.1±4.0) mm]. Pain reduction was most pronounced in the electric group. At 6 weeks, both device-assisted groups showed higher mandibular function scores than the manual group, with the electric mouth opener group showing superior efficacy(P<0.05). CONCLUSIONS: The electric mouth opener is safe and effective for accelerating postoperative MIO recovery in TMJ disc repositioning patients, offering advantages in operational simplicity and stability.

Key words: Temporomandibular joint disc repositioning surgery, Electric mouth opener, Mouth-opening exercise, Maximal interincisal opening

中图分类号:

R782.6

王鹏程, 顾祝明, 何冬梅. 电动开口器对颞下颌关节盘复位术后张口训练的效果评价[J]. 中国口腔颌面外科杂志, 2025, 23(6): 567-572.

Wang Pengcheng, Gu Zhuming, He Dongmei. Evaluation of the electric mouth opener on mouth-opening training effectiveness following temporomandibular joint disc repositioning surgery[J]. China J Oral Maxillofac Surg, 2025, 23(6): 567-572.

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电动开口器对颞下颌关节盘复位术后张口训练的效果评价

Evaluation of the electric mouth opener on mouth-opening training effectiveness following temporomandibular joint disc repositioning surgery

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