Jaw:

Jaw, either of a pair of bones that form the framework of the mouth of vertebrate animals , usually containing teeth and including a movable lower jaw (mandible) and fixed upper jaw (maxilla). JAW definition: 1. the lower part of your face that moves when you open your mouth: 2. either of the two bones in…. Learn more. Jaw pain may be caused by various factors, such as grinding your teeth, gum disease, infections or injuries. Learn how to prevent and treat jaw pain, when to call a healthcare provider and what to do in an emergency. The term “ jaw ” is referred to one or paired bones forming the framework of the oral cavity. Each human has two jaws - the upper and lower jaw . The upper jaw is formed by two paired maxillae fused with the sutures. The upper jaw is not movable as the maxilla is a fixated part of the skull. The lower jaw is formed by an unpaired mandible. In contrast to the maxilla, the mandible is movable. The movements of the lower jaw happen at the temporomandibular joint (Read more!) at which the ...