Document Detail

The assessment of the stability in mandibular setback surgery related to spatial factors under rotational control of the proximal segment.
MedLine Citation:
PMID:  24589219     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To evaluate the surgical relapse of mandibular setback, related to the magnitude of setback and LeFort I osteotomy under rotational control of the proximal segment.
STUDY DESIGN: Data from 78 patients who had undergone sagittal split ramus osteotomy for mandibular prognathism were reviewed. The stability of the proximal segment was retrospectively confirmed. Serial cephalograms were used to assess relapse over 1 year. The association between relapse and LeFort I osteotomy as well as the magnitude of setback was assessed.
RESULTS: Minimal counterclockwise rotation was noted postoperatively, but the proximal segment remained stable for 1 year. Notable forward relapse was shown in the setback of more than 7 mm (P < .01) with resumption of function after 6 weeks, but it was not related with LeFort I osteotomy.
CONCLUSIONS: Relapse was related to the amount of setback and occurred on resumption of function despite rotational control of the proximal segment.
Jee Ho Lee; Seon Ok Kim; Ju Hong Jeon
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-14
Journal Detail:
Title:  Oral surgery, oral medicine, oral pathology and oral radiology     Volume:  -     ISSN:  2212-4411     ISO Abbreviation:  Oral Surg Oral Med Oral Pathol Oral Radiol     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-3-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101576782     Medline TA:  Oral Surg Oral Med Oral Pathol Oral Radiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Inc. All rights reserved.
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