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A broken jaw (or mandible fracture) is a common facial injury. Only the nose is broken more frequently. A broken jaw is the 10th most common fractured bone in the human body. Fractures (breaks in the bone) are generally the result of a direct force or trauma to the jawbone (mandible). A dislocated jawbone means that the temporomandibular joint (where the jaw connects with the skull) is moved out of place.
Mandible. The mandible, the bone of the lower jaw, is the largest and strongest bone in the skull. This horseshoe-shaped bone is unique as it is the only bone of the skull that is able to move.This bone has two borders, the inferior and superior and two surfaces, the internal and external.he human skull contains 22 bones and is divided into two distinct sections; the cranium, which houses the brain, and the facial structure. The bones that make up the jaw, included in the facial structure, are important to allow for the basic functions of eating and communicating.