“…1 The TMJ aids Eustachian tube opening during its various movements, including yawning, chewing, biting, and opening and closing of the mouth. [2][3][4] The causes of TMJD are multifactorial and include excessive masticatory muscle activity, harmful habits, TMJ trauma, degenerative disorders, and psychosocial factors. 5,6 TMJ pain may also result from a combination of genetics, clenching or grinding of the teeth (bruxism), arthritis, autoimmune diseases, dental surgery, and infections.…”