Aim: The purpose of this study is to evaluate the patients who complain of temporomandibular joint (TMJ) dysfunction from Karabük province and its around city in terms of age, sex, symptom, and type of dysfunction. Methods: The study included 233 patients who applied with TMJ dysfunction in our clinic between December 2016 and March 2018. The related examinations were performed bilaterally by a single doctor. Diagnosis of TMJ dysfunction was made by taking Diagnostic Criteria /Temporomandibular Disorders Axis 1 criteria and magnetic resonance imaging into consideration. Results: According to the results of our study, the prevalence of TMJ dysfunction in individuals aged 19-48 years and in women was found to be statistically signifi-cantly higher (p