Document Detail


Postoperative stability following maxillary downward movement with Le Fort I inclined osteotomy at the lateral nasal cavity wall.
MedLine Citation:
PMID:  22429608     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Downward movement of the maxilla is regarded as one of the less stable long-term orthognathic surgical procedures. To increase postoperative stability with direct bone contact, the conventional Le Fort I osteotomy was modified with an inclined osteotomy at the lateral nasal cavity wall. The aim of this study was to evaluate the postoperative stability of the new method for Le Fort I inclined osteotomy for downward maxillary movement. The study included 27 patients with anterior vertical deficiency of the maxilla who underwent Le Fort I inclined osteotomy for downward maxillary movement. Patients were classified into two groups according to the amount of downward movement. The amounts of relapse (cephalometric changes) of the two groups were compared and statistically analyzed. The mean amount of relapse was about 1 mm. The tendency of relapse was not increased by a large initial downward movement with Le Fort I inclined osteotomy. Le Fort I inclined osteotomy was used safely for downward movement in order to increase bone height at the piriform aperture area and resulted in direct bone contact, suggesting it is a useful technique for maintaining postoperative stability. A further study with a larger number of patients is necessary.
Authors:
Hoon Joo Yang; Soon Jung Hwang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-17
Journal Detail:
Title:  Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery     Volume:  -     ISSN:  1878-4119     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8704309     Medline TA:  J Craniomaxillofac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Department of Oral and Maxillofacial Surgery, School of Dentistry, Dental Research Institute, BK21 for Craniomaxillofacial Life Science, Seoul National University, Republic of Korea.
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