Effects of occlusal splint therapy on the masseter and temporalis muscles in female patients with myofascial pain syndrome: An ultrasonographic study.

IF 2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Cranio-The Journal of Craniomandibular & Sleep Practice Pub Date : 2025-04-22 DOI:10.1080/08869634.2025.2490297

Berk Bilgen, Enes Akpınar, Rabia Duman Tepe, Hülya Çakır Karabaş, Olcay Şakar

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引用次数: 0

Abstract

Objective: To evaluate the impact of occlusal splint (OS) therapy on clinical parameters, masticatory muscle morphology and arterial blood flow using ultrasonography (USG) in female probable bruxist individuals with myofascial pain syndrome (MPS).

Methods: 24 female probable bruxist patients with MPS underwent OS therapy for three months. USG assessed masseter and temporalis muscle length, thickness (at rest and maximum clenching) and elastography. Doppler ultrasound measured facial, external carotid, temporal and maxillary artery blood flow. Clinical evaluations included maximum mouth opening (MMO), Jaw Functional Limitation Scale (JFLS) and Visual Analog Scale (VAS) scores. All measurements were conducted before and after treatment.

Results: OS therapy significantly reduced muscle length, thickness and elastography, except for right masseter elastography. Temporal artery flow parameters showed a significant decrease. MMO increased, while JFLS and VAS scores decreased.

Conclusion: OS therapy reduces muscle dimensions and stiffness while improving clinical outcomes, with limited impact on arterial blood flow.

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咬合夹板治疗对女性肌筋膜疼痛综合征患者咬肌和颞肌的影响：超声研究。

目的：应用超声（USG）技术评价咬合夹板（OS）治疗对女性可能磨牙伴肌筋膜疼痛综合征（MPS）患者临床参数、咀嚼肌形态及动脉血流的影响。方法：对24例可能磨牙的MPS女性患者进行为期3个月的OS治疗。USG评估咬肌和颞肌的长度、厚度（在休息和最大握紧时）和弹性图。多普勒超声测量面部、颈外动脉、颞动脉和上颌动脉的血流。临床评价包括最大开口（MMO）、颌功能限制量表（JFLS）和视觉模拟量表（VAS）评分。所有测量均在治疗前后进行。结果：除右咬肌弹性成像外，OS治疗显著减少肌肉长度、厚度和弹性成像。颞动脉血流参数明显降低。MMO升高，JFLS和VAS评分降低。结论：OS治疗在改善临床结果的同时减少了肌肉尺寸和僵硬，对动脉血流的影响有限。

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

Cranio-The Journal of Craniomandibular & Sleep Practice DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.50

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： CRANIO: The Journal of Craniomandibular & Sleep Practice is the oldest and largest journal in the world devoted to temporomandibular disorders, and now also includes articles on all aspects of sleep medicine. The Journal is multidisciplinary in its scope, with editorial board members from all areas of medicine and dentistry, including general dentists, oral surgeons, orthopaedists, radiologists, chiropractors, professors and behavioural scientists, physical therapists, acupuncturists, osteopathic and ear, nose and throat physicians. CRANIO publishes commendable works from outstanding researchers and clinicians in their respective fields. The multidisciplinary format allows individuals practicing with a TMD emphasis to stay abreast of related disciplines, as each issue presents multiple topics from overlapping areas of interest. CRANIO''s current readership (thousands) is comprised primarily of dentists; however, many physicians, physical therapists, chiropractors, osteopathic physicians and other related specialists subscribe and contribute to the Journal.