Human Jaw Anatomy

Four different muscles connect. It is the only movable bone of the skull.

Jaw Anatomy Britannica

Clear human jaw with teeth anatomy model.

Human jaw anatomy. The mandible lower jaw or jawbone is the largest strongest and lowest bone in the human face. There are three kinds of tmj anatomy pain. It forms the lower jaw and holds the lower teeth in place.

It consists of a curved horizontal portion the body and two perpendicular portions the rami which unite with the ends of the body nearly at right angles. Jaws function by moving in opposition to each other and are used for biting chewing and the handling of food. The mandible sits beneath the maxilla.

The lower set of teeth in the mouth is rooted in the lower jaw. Primary muscle discomfort is not really common but overuse as in chewing gum or in south africa biltong in association with disc malfunction can commonly causes jaw facial and sometimes neck pain as well as headache. The mandible the largest and strongest bone of the face serves for the reception of the lower teeth.

The affected side shows multiple pathologies including super eruption apical alveolar abscess with caries periodontal disease lateral abscess abfraction irregular root curvature impacted canine erosion fractured tooth horizontal impact radicular pulpitis root canal with crown internal resorption. Movement of the lower jaw opens and closes the mouth and also allows for the chewing of food. The mandible or lower jaw is the bone that forms the lower part of the skull and along with the maxilla upper jaw forms the mouth structure.

The bone is formed in the fetus from a fusion of the left and right mandibular prominences and the point where these sides join the mandibular symphysis is still visible as a faint ridge in the midline. Like other symphyses in the body this is a midline articu. 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.

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