Temporomandibular joint disorder (TMJ) refers to a group of conditions affecting the temporomandibular joint, which connects the jawbone to the skull. This joint allows for movements such as chewing and speaking. TMJ disorders can cause pain, discomfort, and difficulty in jaw movement, often resulting from factors like injury, arthritis, or teeth grinding. Symptoms of TMJ may include jaw pain, clicking or popping sounds when moving the jaw, and headaches. Treatment options vary and can include physical therapy, medications, or in some cases, surgery. Early diagnosis and management can help alleviate symptoms and improve jaw function.