Document Detail

The overbite and intraoral mandibular distraction osteogenesis.
MedLine Citation:
PMID:  14980594     Owner:  NLM     Status:  MEDLINE    
PURPOSE: The purpose of this study was to quantify the overbite reduction in skeletal Angle Class II malocclusions and discuss the management of the overbite during and after intraoral distraction of the mandible, and during orthodontic treatment with fixed appliances. MATERIAL AND METHODS: Cephalograms of 26 patients with an Angle Class II malocclusion and orthodontic appliances and distraction osteogenesis of the horizontal part of the mandible before (T0) and at least 1 year after treatment (T1) were evaluated. Mean age of the patients at the time of distraction was 14.6 years (range 12.8-15.9 years) and at the final registration 17.3 years (range 14.6-20.4 years). RESULTS: The overbite decreased significantly and the SpP/MP value increased significantly. The increase in the value of the Y-axis and the MP/SN angle before and after treatment was statistically insignificant. CONCLUSION: Opening of the bite during distraction of the mandible can be expected. The use of the 'floating bone' technique did not correct the overbite permanently. The patients in whom an open bite has already been treated are not ideal for mandibular lengthening by means of distraction osteogenesis.
K Hero Breuning; Peter J van Strijen; Birte Prahl-Andersen; D Bram Tuinzing
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery     Volume:  32     ISSN:  1010-5182     ISO Abbreviation:  J Craniomaxillofac Surg     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-02-24     Completed Date:  2004-04-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8704309     Medline TA:  J Craniomaxillofac Surg     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  119-25     Citation Subset:  D; IM    
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MeSH Terms
Follow-Up Studies
Malocclusion, Angle Class II / pathology,  surgery*
Mandible / pathology,  surgery*
Open Bite / etiology,  therapy
Orthodontic Appliances
Orthodontic Retainers
Osteogenesis, Distraction* / adverse effects,  instrumentation

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

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