Rationale for a BI-JAW Surgery in an Asymmetric Class III Mandible

Madhumitha, * and Rao, Bharath and Dasson, Parul (2014) Rationale for a BI-JAW Surgery in an Asymmetric Class III Mandible. Orthodontics. pp. 50-54.

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Abstract

A 22 yr -old male Patient from Malaysia reported with a chief compliant of large lower jow i july 2011. His porblem list included mandibular prognathism,an asymmetrical jaw deviating 6 mm to the left, and a skeletal posterior crossbite on the left side. His molar relationship was class-111. He had an openbite of 1.5mm and an overjet of -7mm; the maxillary dental midline was deviated 2mmto the right, and the mandibular midline 6mm to the left.The patient had 0.5mm of lower anterior crowding.Orthognathic surgery involved a lefort I maxillary superior impaction and advancement osteotomy and a mandibular bilateral sagital spilt osteotomy (BSSO) with rotation for aligning midlines , to position the maxilla 3mm anteriorly into a 2mm overbite-overjet relationship and to correct the crossbite.The segments were stabilized using rigid internal fixation.The entire treatment took two years and four months, partly because waiting for authorization and scheduling the surgery took an additional eight months. Detailed finishing of the occlusion was accomplished with fixed appliances during the four months after surgery.

Item Type: Article
Uncontrolled Keywords: Mandible; Prognathism; Crossbite; Class III molar relationship; BSSO
Subjects: Dentistry > MCODS Manipal > Orthodontics
Dentistry > MMMC Melaka
Depositing User: KMC Manipal
Date Deposited: 04 Apr 2014 09:14
Last Modified: 04 Apr 2014 09:14
URI: http://eprints.manipal.edu/id/eprint/139298

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