Temporomandibular joint disorder and face deformation. In front of the ear, in front of the ear screen, there is a joint called the temporomandibular joint. The movement of the temporomandibular joint allows the jaws to open and close flexibly or to achieve the action of chewing something. There are some bite relationship abnormalities that can lead to temporomandibular joint disorders. It is necessary to go to the dentistry department to find out the cause of temporomandibular joint bite relationship abnormalities to treat the symptoms. With temporomandibular joint disorder, the patient will develop the habit of chewing on one side, which will cause the bite muscle on one side to be thickened and thickened, and will cause asymmetry on both sides of the face. The cause of temporomandibular joint disorder has to be found in dentistry. Patients with acute inflammation can have anti-inflammatory treatment, and those with joint cavity effusion can have long-acting hormone injection or physical therapy.