The Effect of Non-Invasive Vagal Nerve Stimulation Combined With Self-Managed Therapy in Individuals With Myogenic Temporomandibular Dysfunction

Inclusion Criteria: * between the ages of 18-45, * Diagnosed with myogenic TMDs according to TMD-DC Axis I and II criteria, * Pain intensity of 3 or more during rest and/or chewing according to the Visual Analogue Scale, * Volunteered to participate in the study and signed the informed consent form, * Individuals who do not have communication difficulties and whose native language is Turkish will be included in the study. Exclusion Criteria: * Diagnosed with arthrogenic or mixed type TMDs, * Severe psychiatric illness such as schizophrenia, * Previous vagal nerve stimulation or history of vagotomy, * Have extensive joint damage affecting the jaw, head, neck and shoulder areas, have a history of major trauma, fracture or surgery to these body parts, or are undergoing radiotherapy, * Diagnosed with cervical disc herniation, cervical radiculopathy or cervical myelopathy, * History of cardiac disease and being treated for cardiac problems, * Active implant users such as pacemakers, defibrillators, neurostimulators, cochlear implants and ventricular shunts, * Failure to understand the study protocol * Have a history of progressive neurological diseases (such as Parkinson's disease, MS, ALS, epilepsy, Alzheimer's disease) * Acute tinnitus * Skin problems such as dermatitis, infection, psoriasis, urticaria, acne or eczema at the stimulation site, * Has any anatomical abnormality that prevents successful placement of the ear electrode, * and reporting acute tinnitus, * Pregnant su…