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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.
In addition to jaw pain, it may cause severe stabbing pain or pain that feels like an electric shock in the lips, eyes, nose, forehead, and scalp. Osteonecrosis of the Jaw. Osteonecrosis occurs when the blood supply to a bone is disrupted and the bone begins to die.