Inclusion Criteria:  Underwent non-invasive therapies (occlusal stabilization splints, behavioral modifications, physical therapy, pharmacotherapy) but did not benefit from them and volunteered for the ATNB instead of invasive therapies (arthrocentesis, arthroscopy, and discectomy).  Exclusion Criteria:  Patients with  Symptoms of the diseases possibly related to TMD (e.g., fibromyalgia, hypothyroidism, scleroderma, rheumatoid arthritis) Orofacial disorders that might have been responsible for the TMD symptoms (e.g., neuralgia, migraine, myositis, trauma, neuropathic pain, infections) Complications due to ATNB (e.g., temporary facial nerve palsy, hematoma, positive aspiration) History of invasive therapies or TMJ surgeries