Chewing Muscles in Bruxers

Inclusion Criteria: * Diagnosed with bruxism between the ages of 18-65, * A history of bruxism for at least 6 months, * Individuals with masseter muscle pain ≥4 at rest and during mastication * Control group: Healthy individuals aged 18-65 years Exclusion Criteria: * Masseter botox application in the last 6 months, * With regular use of analgesics and anti-inflammatories affecting the OSS, * Smokes 20 or more cigarettes daily, * With regular alcohol use of 1-2 glasses per day, * Daily coffee consumption of 6 cups or more, * Cardiovascular, respiratory and central nervous system diseases, * Presence of infection or tumoural structures within intraoral structures, * Multiple ear piercings, * With TMJ disc displacement and joint degeneration, * Cervical or TMJ fracture, systemic disease, musculoskeletal problem with evidence of specific pathological condition, * Any surgical operation related to cervical or TMJ problem, * Less than 6 months of cervical or TMJ-related physiotherapy and rehabilitation services, * The one with facial paralysis, * Diagnosed psychiatric illness * Participants who have communication difficulties in speaking and understanding Turkish or who are unable to understand the exercises