Medical uses Orthognathic surgery

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it estimated 5% of uk or usa population present dentofacial deformities not amenable orthodontic treatment requiring orthognathic surgery part of definitive treatment. orthognathic surgery can used correct:



gross jaw discrepancies (anteroposterior, vertical, or transverse discrepancies)
skeletofacial discrepancies associated documented sleep apnea, airway defects, , soft tissue discrepancies
skeletofacial discrepancies associated documented temporomandibular joint pathology

a disproportionately grown upper or lower jaw causes dentofacial deformities. chewing becomes problematic, , may cause pain due straining of jaw muscle , bone. deformities range micrognathia, when mandible doesn t grow far forward enough (over bite), , when mandible grows much, causing under bite; of uncomfortable. also, total maxilla osteotomy used treat long face syndrome, known skeptical open bite, idiopathic long face, hyper divergent face, total maxillary alveolar hyperplasia, , vertical maxillary excess. prior surgery, surgeons should take x-rays of patient s jaw determine deformity, , make plan of procedures. mandible osteotomies, or corrective jaw surgeries, benefit individuals suffer difficulty chewing, swallowing, tmj pains, excessive wear of teeth, open bites, overbites, underbites, or receding chin. deformities listed above can perfected osteotomy surgery of either maxilla or mandible (whichever deformity calls for), performed oral surgeon specialized in working both upper , lower jaws.orthognathic surgery available successful treatment (90–100%) obstructive sleep apnea.



cleft lip , palate

orthognathic surgery established , used treatment option insufficient growth of maxilla in patients orofacial cleft. there debate regarding timing of orthognathic procedures, maximise potential natural growth of facial skeleton. patient reported aesthetic outcomes of orthognathic surgery cleft lip , palate appear of overall satisfaction, despite complications may arise. potentially significant long-term outcome of orthognathic surgery impaired maxillary growth, due scar tissue formation. cochrane collaboration released systematic review comparing traditional orthognathic surgery maxillary distraction osteogenesis. review found both procedures effective, suggested distraction osteogenesis may reduce incidence of long-term relapse. should noted quality of evidence rated low, 1 study included.








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