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The temporomandibular joint connects the lower jaw to the temporal bone of the skull and is responsible for bringing the lower and upper jaws together. It is one of the most frequently used joints in the body. Depending on the underlying cause, jaw pain can occur suddenly or build up over time.
The Temporomandibular Joint. The TMJ, or temporomandibular joint, is the joint that connects the lower jaw to the skull. Actually, two temporomandibular joints are located just in front of the ears, one on each side of the jaw. The TMJ joint allows you to move your lower jaw so you can talk and chew.