Prevalence of Temporomandibular Joint Dysfunction in Patients With Ankylosing Spondylitis

Inclusion Criteria: * Patients diagnosed with Ankylosing Spondylitis according to the Modified New York Criteria between the ages of 18-75. * Healthy volunteers between the ages of 18 and 75. Exclusion Criteria: * Changes in the treatment of ankylosing spondylitis within the last 6 months * Patients with pathology related to the temporomandibular joint and associated structures prior to the diagnosis of ankylosing spondylitis * Use of medication that affects bone metabolism * Presence of neurological or cognitive deficits * History of trauma, malignancy, infection, and surgery in the head and neck area * Presence of dental or periodontal pain * History of orthodontic treatment.