Frequently Asked Questions on Topics for the Entire Family, for your health and well being and more! FAQs - Temporomandibular Joint (TMJ) TMJ Disorders What is the temporomandibular joint? What are TMJ disorders? What causes TMJ disorders? What are the signs and symptoms? How are TMJ disorders diagnosed? How are TMJ disorders treated? If you think you have a TMJ disorder... If there is a subject you think we need in the FAQ section, please contact us and let us know!