Mandible Anatomy Radiology

The midline of the body is the mandibular symphysis fig. Its superior border is the alveolar process.

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It articulates with the temporal bone in the temporomandibular fossa anterior to the external auditory canal see fig.

Mandible anatomy radiology. 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 angle of the jaw. Start studying radiology normal anatomy of mandible. A break of the ring in one place will usually be accompanied by further break in the ring elsewhere.

The mandible is the only freely movable bone of the face. The lateral pterygoid at the condylar process the medial pterygoid at the posterior inferior ramus near the angle the temporalis at the coronoid process and the masseter at the ramus. The range of motion is free in all directions and the condyle moves downward and forward in the articular fossa upon opening of the jaw.

The mandible is another commonly fractured bone in the head and most of these fractures are obvious on clinical exam. The tooth sockets called alveoli open onto this surface. If you see one fracture look for a second fracture or a dislocation of the temporomandibular joint.

The mental protuberance at this junction forms the chin. This should mean that the mandible should fracture in two places akin to the bony pelvis making single fractures uncommon but this in fact not the case with 40 of fractures being unifocal. The buccal surface of the mandible attaches multiple muscles.

The ramus meets the body at the angle. Learn vocabulary terms and more with flashcards games and other study tools. It articulates with both temporal bones at the mandibular fossa at the temporomandibular joints tmj.

The body of the mandible anchors the lower teeth and forms the chin. Clinical findings include facial distortion malocclusion of the teeth or abnormal mobility of portions of the mandible or teeth. Anteriorly the two halves of the mandible fuse at the mandibular symphysis.

The mandible is the single midline bone of the lower jaw. The mandible can be considered as an anatomical ring of bone stabilised at each end at the temporomandibular joints. The mandible is comprised of a body and paired rami coronoid processes and condylar processes.

Although traditionally the mandible and base of skull are thought to form a complete bony ring interrupted only by the tmjs.

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