Dentoskeletal Changes of Skeletal Class III Malocclusion with Severe Facial Asymmetry after Orthognathic Surgery: Case Report

Toe Pyae Aung; Aung Myat Shein; Zin Wai Myint; Zin Zin Win; Win Naing; Hla Hla Yee

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Dentoskeletal Changes of Skeletal Class III Malocclusion with Severe Facial Asymmetry after Orthognathic Surgery: Case Report

http://hdl.handle.net/20.500.12678/0000007306

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10-Dentoskeletal_Changes_of_Sekletal_Class_III_Malocclusion_with_Severe_Facial_Asymmetry_after_Orthognathic_Surgery_Case_Report_(Dr_TPA,Dr_AMS,_Dr_ZWM,_Dr_ZZW,_Dr_WN,_Dr_HHY)1.pdf (680 KB)

Publication type
		Journal article
Upload type
		Publication
Title
	Title	Dentoskeletal Changes of Skeletal Class III Malocclusion with Severe Facial Asymmetry after Orthognathic Surgery: Case Report
	Language	en
Publication date		2020-01-01
Authors
		Toe Pyae Aung
		Aung Myat Shein
		Zin Wai Myint
		Zin Zin Win
		Win Naing
		Hla Hla Yee
Description
		Craniofacial asymmetry is expressed as the difference in size between two parts of the face. It is originated by a discrepancy in size and position between the cranial base and the maxilla, between the cranial base and the mandible, or between the maxilla and the mandible. When the craniofacial asymmetry is severe and the patient has completed growth, the indicated treatment is performed in conjunction with orthodontics and orthognathic surgery, traditional approach or surgery first approach. A 24 year-old woman had chief complaints of mandibular protrusion and facial asymmetry. Extraoral examination indicated mandibular deviation to the right side, severe facial asymmetry, and a concave profile. Orthognathic surgical treatment plan was Lefort I osteotomy and two-piece maxillary osteotomy to correct the posterior crossbite. Concomitant surgical procedure for the mandible was bilateral sagittal split osteotomy to correct facial asymmetry and mandibular protrusion. After orthognathic surgery followed by postsurgical orthodontic treatment reveals skeletal Class I and acceptable facial aesthetics with Class I occlusion. According to this case report, double jaw surgical procedure including maxillary and mandibular movements is indicated for the treatment of severe facial asymmetry and skeletal Class III malocclusion.
Keywords
		Facial Asymmetry, Mandibular Protrusion, Presurgical Orthodontic Treatment, Orthognathic Surgery, Postsurgical Orthodontic Treatment
Identifier		http://udmyangon-edu.com
Journal articles
		No.1
		Journal of Dental Science-UDMY
		72-78
		Vol.1

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