TMJ – What Is It?   The Temporomandibular Joint (TMJ) connects your lower jawbone to your skull. It allows your jaw to move—so you can talk, chew, yawn, and express yourself. In fact, it’s the most frequently used joint in the body.   Common TMJ-Related Symptoms   • Ringing in the ears (tinnitus) • Dizzy spells • Earaches (without infection) • Difficulty swallowing or speaking • Headaches or migraines • Pain or tenderness around the ear, jaw, neck, face, or shoulders • Worn t