Inclusion Criteria:  Ages between 18 and 65 years old Patients with TMD in the myofascial Group Ia, Ib according to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) and diagnosed with bruxism Having pain ≥ 3 according to the Visual Analog Scale Those who have not received medical treatment for the last 3 months and will not receive it during the treatment process will be included in the study.  Exclusion Criteria:  Ages under 18 and over 65 years old Patients with disc displacement and/or TMJ degeneration Patients who have orthodontic or splint treatment Patients with musculoskeletal problems in which systemic specific pathological conditions such as cervical and/or temporomandibular joint (TMJ) problem malignancy, fracture, the rheumatoid disease is proven Patients who have undergone any surgery related to the cervical and/or TMJ Patients with facial paralysis Patients who regularly use analgesic or anti-inflammatory drugs Patients who have received physical therapy associated with TMJ in less than 3 months Patients with a history of trauma (whiplash injury, condylar trauma, fracture) Patients with cognitive deficits Participation rate lower than 80% of the program schedule