Clinical Research Directory

Effectiveness of Brief Mindfulness-Based Interventions for Painful Temporomandibular Disorders Among University Students

The goal of this clinical trial is to learn if brief mindfulness-based intervention (BMBI) is beneficial to participants suffering from painful temporomandibular disorders (TMD). The objectives of the research are: 1. To compare physical functioning (pain intensity and jaw function) in UM students with chronic pain-related TMD before and after receiving BMBI 2. To compare psychological distress and mindfulness state in UM students with chronic pain-related TMD before and after receiving BMBI 3. To compare the quality of life of UM students with chronic pain-related TMD before and after receiving BMBI 4. To compare the changes in physical functioning, psychological distress, mindfulness state and quality of life between UM students in the intervention (BMBI) and the control groups. Participants will: Listen to the audio recordings 3 times a week, for 3 months when they are about to sleep. Make 4 visits to the clinic: Baseline, 2 weeks, 1 month and 3 months later.

Temporomandibular Disorders With and Without Chronic Neck Pain

Temporomandibular disorders (TMD) are common musculoskeletal conditions frequently accompanied by cervical dysfunction. Although previous studies have demonstrated associations between cervical impairments and temporomandibular symptoms, the influence of chronic neck pain on cervical function and its contribution to temporomandibular outcomes remain incompletely understood. This cross-sectional study aims to compare cervical and temporomandibular characteristics between individuals with TMD with chronic neck pain and those without chronic neck pain, and to identify cervical factors associated with temporomandibular function, maximal mouth opening, and temporomandibular pain. A total of 67 adults diagnosed with TMD according to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) will be enrolled and allocated into two groups based on the presence or absence of chronic neck pain. Participants will undergo comprehensive assessments including temporomandibular joint range of motion, maximal mouth opening, Jaw Functional Limitation Scale-20 (JFLS-20), craniovertebral angle, cervical range of motion, deep cervical flexor muscle endurance, cervical proprioception, Neck Disability Index (NDI), and pain intensity using the Visual Analog Scale (VAS). Group differences and the relationships between cervical function and temporomandibular outcomes will be examined using correlation and regression analyses. The findings are expected to clarify the contribution of cervical posture, mobility, muscle endurance, and proprioception to temporomandibular dysfunction. The results may support the incorporation of comprehensive cervical assessment and cervical-focused rehabilitation strategies into the clinical management of individuals with temporomandibular disorders.

Peripheral TMD Pain Mechanisms and the Effect by Botulinum Toxin A

The goal of this clinical trial is to investigate the effect of botulinum toxin on neurons' plasticity in the masseter muscle in humans with and without painful myogenous temporomandibular disorders (TMDM). The main questions it aims to answer are: * does treatment with botulinum toxin alter gene expressions, epigenetic signatures, and cells plasticity in the masseter muscles of TMDM patients? * do any such changes differ between patients with local and regional TMDM? * does treatment with botulinum toxin influence pain characteristics (intensity, frequency, and sensibility) and other variables in patients with TMDM and are there correlations between significantly changed expression of biomarkers and other variables? Participants will be examined with a questionnaire, clinical examination (including quantitative sensory testing; QST), and microbiopsy sampling from one of the masseter (MM) and anterior tibialis (AT) muscles and are then randomized to treatment with botulinum toxin or control (isotonic saline). Follow-ups occur after one and three months for all patients, and six months with questionnaire, clinical examination, and collection of post-treatment microbiopsies to see if botulinum toxin alter peripheral molecular events and clinical variables.

Three Photobiomodulation Wavelengths (635, 940, and 1064 nm) on Chronic Myogenic Temporomandibular Disorder

Temporomandibular disorders (TMDs) are among the most common musculoskeletal conditions associated with chronic orofacial pain and functional disability. Chronic Myogenic TMD (MTMD) is the most prevalent subtype and is characterized by persistent masticatory muscle pain driven by peripheral and central sensitization mechanisms. Photobiomodulation (PBM) represents a conservative, non-invasive therapeutic modality within the medical management of TMD; however, the wavelength-dependent clinical and muscular effects remain inadequately defined. Aim: To compare the efficacy of three PBM wavelengths (635, 940, 1,064 nm) on pain intensity, mandibular function, surface electromyographic activity (sEMG), and pressure pain threshold (PPT) in patients with chronic myogenic TMD.

Comparison of Dry Needling and Two Botulinum Toxins for Bruxism

1. Aim: The aim of this study is to prospectively compare the clinical efficacy of Dry Needling (DN), Nabota (PrabotulinumtoxinA), and Dysport (AbobotulinumtoxinA) treatments on the thickness of masseter and anterior temporal muscles and pain intensity (VAS) in patients diagnosed with chronic bruxism. 2. Material and Method: This randomized, prospective, and single-blind clinical study will be conducted on 60 patients diagnosed with bruxism. Patients will be divided into three groups: Dry Needling (n=20), Nabota (n=20), and Dysport (n=20). Pain levels will be assessed using the Visual Analog Scale (VAS) at baseline, 1st month, and 3rd month. Muscle thicknesses will be measured using ultrasonography (USG) at baseline and 3rd month. Data distribution will be analyzed using the Kolmogorov-Smirnov test; intergroup comparisons will be performed using ANOVA and Post-hoc Duncan tests. 3. Results:The results will be analyzed following the completion of the 3-month follow-up period

The BETY-Biopsychosocial Questionnaire (BETY-BQ) in Individuals With Temporomandibular Dysfunction-Related Headache

This study investigates the validity and reliability of the BETY- Biopsychosocial Questionnaire (BETY-BQ) as a biopsychosocial assessment tool in individuals with temporomandibular dysfunction-related headaches.

Mandibular Splint vs Botox Injection in Lateral Pterygoid on Cervical Muscle Activity in Patients With Temporomandibular Disorders

The study aims to compere mandibular splint versus botox injection in lateral pterygoid on cervical muscle activity in patients with temporomandibular disorders

Biomarkers Associated With Temporomandibular Disorders in Patients With Rheumatoid Arthritis

The goal of this observational study is to determinate temeporomandibular disorders (TMDs) and levels of biomarkers in 30 rheumatoid arthritis patients and 30 healthy controls. Aims are: * to determine TMDs symptoms in both groups using a validated Reasearch Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) protocol * to determine levels of interleukin-4 (IL-4), interleukin-18 (IL-18) and interferon-gamma (IFN-γ) in saliva and serum in RA patients and control group * to determine levels of biomarkers (Ca, Mg, P, AST,ALT,ALP,GGT,urate) in serum of RA patients and control group * investigate the correlation between cytokines level in saliva and serum * to determine the effect of TMDs on cytokine and biomarker levels Participants will be clinicaly examined by DMD in accordance with the RDC/TMD guidelines to receive both Axis I and Axis II diagnoses. After examination participants would be asked for saliva and blood sample.