Document Detail

Change in condylar long axis and skeletal stability following sagittal split ramus osteotomy and intraoral vertical ramus osteotomy for mandibular prognathia.
MedLine Citation:
PMID:  16182918     Owner:  NLM     Status:  MEDLINE    
PURPOSE: The purpose of this study was to compare postsurgical time course changes in condylar long axis and skeletal stability between sagittal split ramus osteotomy (SSRO) and intraoral vertical ramus osteotomy (IVRO). PATIENTS AND METHODS: Of 40 Japanese patients with a diagnosed jaw deformity, 20 underwent IVRO without internal fixation and 20 underwent SSRO with rigid internal fixation. The time course change in condylar long axis and skeletal stability were assessed with axial, frontal, and lateral cephalograms. RESULTS: A significant difference in the rotation direction of condylar long axis was seen in horizontal axial cephalogram images (P <.01). In Pog-N perpendicular to SN, the IVRO group showed gradual decrease, although SSRO group showed gradual increase in lateral cephalogram (P <.05). CONCLUSION: The present results suggest a significant difference between SSRO and IVRO in time course changes in proximal segment including condyle and distal segment.
Koichiro Ueki; Kohei Marukawa; Mayumi Shimada; Kiyomasa Nakagawa; Etsuhide Yamamoto
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons     Volume:  63     ISSN:  0278-2391     ISO Abbreviation:  J. Oral Maxillofac. Surg.     Publication Date:  2005 Oct 
Date Detail:
Created Date:  2005-09-26     Completed Date:  2005-10-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8206428     Medline TA:  J Oral Maxillofac Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1494-9     Citation Subset:  AIM; D; IM    
Department of Oral and Maxillofacial Surgery, Graduate School of Medicine, Kanazawa University, 13-1 Takaramachi, Kanazawa 920-8641, Japan.
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MeSH Terms
Analysis of Variance
Jaw Abnormalities / surgery
Jaw Fixation Techniques / instrumentation
Malocclusion, Angle Class III / surgery
Mandible / abnormalities*,  surgery*
Mandibular Condyle / pathology*,  radiography
Oral Surgical Procedures / adverse effects,  methods*
Osteotomy / adverse effects,  methods
Prognathism / surgery*
Statistics, Nonparametric
Temporomandibular Joint Disorders / etiology

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

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