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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.
Trigeminal neuralgia is a condition of the nervous system that causes extreme facial pain that sometimes involves the jaw area. Jaw pain can be associated with other symptoms, including. 1  a popping sensation, 2  tooth pain, 3  difficulty chewing, 4  tenderness and aching of other areas of the face or neck.he TMJ allows the upper jaw to close on the lower jaw and is one of the most frequently used joints of the body. The temporomandibular joints are complex structures containing muscles, tendons, and bones.