Document Detail


Three-dimensional evaluation of soft tissue changes after mandibular setback surgery in class III malocclusion patients according to extent of mandibular setback, vertical skeletal pattern, and genioplasty.
MedLine Citation:
PMID:  20416516     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To investigate the 3-dimensional (3D) changes in the soft tissue after mandibular setback surgery (MSS). STUDY DESIGN: Thirty-three skeletal class III malocclusion (SCIII) patients treated with MSS (bilateral sagittal split ramus osteotomy) were subdivided according to extent of MSS, vertical skeletal pattern (VP), and vertical-reduction genioplasty. Lateral cephalograms and 3D facial scan images were taken before and 6 months after surgery. Linear and angular variables were measured with Rapidform 2006 (Inus Technology). RESULTS: After MSS, there were significant increases in the upper lip length and decreases in the lower lip length in the large setback, hypodivergent, and genioplasty groups. The mentolabial fold deepened less in the genioplasty group than in other groups. Although there was no skeletal advancement of the maxilla, the soft tissue convexity in the paranasal area increased more in the hyperdivergent group than in the hypodivergent group after MSS. CONCLUSION: The extent of MSS, VP, and genioplasty could be used as guidelines for 1- and 2-jaw surgeries in SCIII borderline cases.
Authors:
Minji Kim; Dong-Yul Lee; Yong-Kyu Lim; Seung-Hak Baek
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics     Volume:  109     ISSN:  1528-395X     ISO Abbreviation:  Oral Surg Oral Med Oral Pathol Oral Radiol Endod     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-04-26     Completed Date:  2010-07-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9508562     Medline TA:  Oral Surg Oral Med Oral Pathol Oral Radiol Endod     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e20-32     Citation Subset:  D; IM    
Copyright Information:
Copyright (c) 2010 Mosby, Inc. All rights reserved.
Affiliation:
Department of Dentistry, College of Medicine, Korea University, Seoul, Korea.
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MeSH Terms
Descriptor/Qualifier:
Adult
Cephalometry / methods
Cheek / pathology
Chin / surgery*
Eye / pathology
Face*
Female
Follow-Up Studies
Forehead / pathology
Humans
Imaging, Three-Dimensional / methods*
Lip / pathology
Male
Malocclusion, Angle Class III / surgery*
Mandible / surgery*
Maxilla / pathology
Nose / pathology
Osteotomy / methods*
Software
Treatment Outcome
Vertical Dimension*
Zygoma / pathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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