Lower Jaw Anatomy

This bone is also known as the lower jaw and it articulates dentally with the upper jaw or the maxilla in the viscerocranium via the teeth when the mouth is closed. It also articulates to the neurocranium via the temporal bone forming the temporomandibular joint tmj.

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Some physicians associate disorder in this joint with tiny myofascial trigger points or contractions knots in the overworked or traumatized jaw muscles.

Lower jaw anatomy. Near the lower part of the symphysis is a pair of laterally placed spines termed the mental spines which give origin to the genioglossi. Lower jaw of the human body in this image you will find masseter coronoid process temporalis mandibular match neck of jaw bone condyle ramus angle of jaw bone groove for external maxillary artery mental protuberance jaw bone in it. The mandible is a u shaped lower jawbone and the largest strongest bone in the face figures 1 and 2 and the only one that can move significantly.

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 mandible articulates with the neurocranium at the temporomandibular joints tmjs. Immediately below these is a second pair of spines or more frequently a median ridge or impression for the origin of the geniohyoidei.

Anatomy of the jaw in regards to jaw anatomy the major joint in the jaw is the temporomandibular joint tmj which connects the lower jaw to the skull temporal bone under the ear.

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