Background: Temporomandibular disorders (TMD) is a medical or dental condition that affects the temporomandibular joint. Joint sound is one of the clinical symptoms of TMD. Age, which is related to the etiology of TMD, is classified as adolescence (17-25 years), adulthood (26-45 years) and elderly (46- 55 years). Objective: To determine the descriptions ofthe temporomandibular joint sounds of the RSGM UMY patients in age of adolescence, adulthood and elderly Method: Observational descriptive with sampling using accidental sampling technique. The population of this study were patients of the Dental and Oral Hospital of the University of Muhammadiyah Yogyakarta (RSGM UMY).It was obtained 250 patients as samples who met the inclusion and exclusion criteria.The temporomandibular joint sounds can be measured by palpation and auscultation. Results: The results obtained from 250 patients examined were 124 people (49.6%) experiencing joint sounds and 126 people (50.4%) did not experience joint sounds. In the age of adolescence, 98 people (47.3%) experienced joint sounds and 109 people (52.7%) did not experience joint sounds. For the adulthood, 22 people (61.1%) experienced joint sounds and 14 people (38.9%) did not experience joint sounds. As for the elderly as many as 4 people (57.1%) experienced joint sounds and 3 people (42.9%) did not experience joint sounds. Conclusion: The percentage of patients who experience joint sounds is 49.6%, where patients who experience joint sounds are most commonly found in adolescent patients