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The viper dogfish is the only dogfish species that lacks a suborbital muscle, which is normally responsible for pulling the jaws forward when biting. Jaw protrusion is instead effected by the hyomandibular bone, which is articulated to the skull in a manner that allows it to swing down and forward. This unique arrangement serves to increase the ...
Jaw wiring is a medical procedure to keep the jaw closed for a period of time. Originally, it was used as the mandibular equivalent of a cast , to fix the jaw in place while a fracture healed. Jaw wiring is also used for weight-loss purposes, to prevent the ingestion of solid food.
A Le Fort I osteotomy surgically advances the upper jaw to correct misalignment and deformities. It is used in the treatment for several conditions, including skeletal class II malocclusion, cleft lip and cleft palate, vertical maxillary excess (VME) or deficiency, and some specific types of facial trauma, particularly those affecting the mid-face.
Once it reaches a small shrimp or fish, it unhinges its enormous jaw to impale the creature and trap it inside its mouth. When it has caught its prey, it shuts its mouth and the little fish stays ...
Orthognathic surgery (/ ˌ ɔːr θ ə ɡ ˈ n æ θ ɪ k /), also known as corrective jaw surgery or simply jaw surgery, is surgery designed to correct conditions of the jaw and lower face related to structure, growth, airway issues including sleep apnea, TMJ disorders, malocclusion problems primarily arising from skeletal disharmonies, and other orthodontic dental bite problems that cannot ...
This may be undertaken when cysts are very large, and their removal would leave a significant surgical defect or risk jaw fracture. Enucleation with curettage—this is the removal of the cyst and some of the surrounding bone, which may contain remnants of the lining of the cyst. Curettage may be undertaken if the cyst lining is thin and ...
Socket preservation or alveolar ridge preservation is a procedure to reduce bone loss after tooth extraction. [1] [2] After tooth extraction, the jaw bone has a natural tendency to become narrow, and lose its original shape because the bone quickly resorbs, resulting in 30–60% loss in bone volume in the first six months. [3]
The surprise was that part of Yager's jaw hadn't made it into his grave along with the rest of his remains. "We have absolutely no idea how [the jawbone] came into the child's collection," said ...