Occlusal Splint and Exercise Therapy for Temporomandibular Disorders

Temporomandibular Disorders (TMD)

temporomandibular disorders, exercise therapy, occlusal splint, muscle mechanical properties, pain, jaw function

The goal of this clinical trial is to learn if an exercise protocol can improve temporomandibular pain, jaw function and muscle mechanical properties in individuals with Temporomandibular Disorders (TMD). This study focuses on patients who are already receiving occlusal splint therapy. The main question it aims to answer is: How does the addition of an exercise protocol to occlusal splint therapy affect temporomandibular pain, jaw function and muscle mechanical properties of the masticatory and neck muscles? Researchers will compare the group receiving both occlusal splint therapy and the exercise protocol to a group only occlusal splint therapy to see if the combined approach is more effective. Participants will: * Undergo an initial assessment of the Jaw Functional Limitation Scale-20 (JLFS-20), Craniofacial Pain and Disability Inventory (CF-PDI), Graded Chronic Pain Scale Version 2.0 (GCPS-2.0), jaw range of motion, pain pressure threshold and muscle mechanical properties. * Receive occlusal splint therapy as a part of their treatment. * Perform a structured exercise protocol (only 1 group) * Attend follow up sessions at the 4th week to monitor changes in all initial assessment parameters.

This research will be conducted as a randomized controlled, two-arm, prospective clinical trial. The study will evaluate the effects of occlusal splint application combined with the Rocabado exercise protocol in individuals with TMD. The intervention period will last for 4 weeks, with assessments conducted at baseline and at the end of the 4 weeks period. Literature indicates that occlusal splint therapy and specialized exercise protocols are beneficial in improving symptoms in individuals with temporomandibular disorders (TMD). Studies have demonstrated that these interventions can enhance functionality and alleviate pain. However, there is a lack of research specifically comparing the combination of an occlusal splint and an exercise protocol against splint therapy alone, particularly regarding their effects on pain, functionality, and the mechanical properties of the masticatory and neck muscles. Participants diagnosed with TMD will be recruited from two clinics in Turkey. To prevent potential imbalances, participants will be divided into two groups using stratification (age, gender, and occupation) and block randomization: * Splint Group (S Group): Will receive nightly occlusal splint therapy only. * Exercise and Splint Group (ES Group): Will receive the Rocabado 6x6 exercise protocol in addition to nightly occlusal splint therapy. In the ES group, the occlusal splint and Rocabado exercises (6 times daily, 6 repetitions each) will be performed 7 days a week for 4 weeks. The control (S) group will utilize only the occlusal splint for the same duration. Evaluations will be performed at baseline and at the 4th week. Clinical assessments will include the Jaw Functional Limitation Scale-20 (JFLS-20), Craniofacial Pain and Disability Inventory (CF-PDI), and Graded Chronic Pain Scale (GCPS) 2.0. Additionally, temporomandibular joint range of motion (ROM), pressure pain threshold (PPT), and mechanical muscle properties (MyotonPRO) will be assessed. Inclusion criteria * Clinical and radiological diagnosis of TMD * Being between 18-65 years of age, * Presence of temporomansibular joint (TMJ) pain for the last 3 months. Exclusion criteria * İntra-articular or degenerative joint disorders and subluxation requiring immediate treatment, * A history of TMJ or cervical region surgery in the last 3 months, * A history of treatment from related regions, * The presence of rheumatic diseases, including TMJ diseases, * TMJ instability or fracture, * The presence of perception-cognition disorder, * The presence of chronic pain, such as trigeminal neuralgia.

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Turkey (Türkiye)