Jaw Dislocation

Jaw Dislocation/Fracture:  Dislocation of the jaw is a displacement of the temmporomandibular joint.  Fracture of the jaw is a break in one or both of the two maxillas (upper jawbones) or the mandible (low jawbones). 

Cause:  Simple fractures or dislocations are usually caused by a manual blow along the jawline.  More serious compound fractures often result from motor vehicle accidents.


Dislocated or fractured jaw may show malocclusion (most obvious sign); 
Mandibular pain; 
Swelling; ecchymosis; 
Loss of function; 
Possibly anesthesia or paresthesia of the chin and lower lip with mandibular fracture, or infraorbital (lying under or on the floor of the orbit) paresthesia with maxillary fractures.

Diagnostic tests:  X-rays confirm the diagnosis


As in all trauma, check first for airway, breathing, and circulation.  Then control hemorrhage and check for other injuries. 

Surgical reduction and fixation by wiring restores mandibular and maxillary alignment.

Maxillary fractures may also reconstruction and repair of soft-tissue injuries.

Dislocations are usually manually reduced under anesthesia.

Liquid diet

Pain medication may be ordered by doctor.

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