Document Detail


Two load sharing plates fixation in mandibular condylar fractures: biomechanical basis.
MedLine Citation:
PMID:  19944616     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Mandibular condylar fractures have a high incidence but there is no consensus regarding the best choice of osteosynthesis. From a review of the literature, it is evident that the technique used most frequently for fixation is the positioning of a single plate despite complications concerning plate fracture or screw loosening have been reported by various authors. Different studies have highlighted that the stability of osteosynthesis is correlated with the mechanical strains occurring in the condylar region, generated by the muscles of mastication. The aim of our study was, through a mandibular finite element model (FEM), to confirm this correlation and to analyse the behaviour of single and double elements of union in the fixation of mandibular subcondylar fractures. We concluded that the use of two plates provides greater stability compared with the single plate, reducing the possibility of displacement of the condylar fragment. Therefore we recommend that this technique should be adopted whenever possible.
Authors:
Salvatore Parascandolo; Alessia Spinzia; Stefano Parascandolo; Pasquale Piombino; Luigi Califano
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Publication Detail:
Type:  Journal Article     Date:  2009-11-26
Journal Detail:
Title:  Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery     Volume:  38     ISSN:  1878-4119     ISO Abbreviation:  J Craniomaxillofac Surg     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-06-10     Completed Date:  2010-10-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8704309     Medline TA:  J Craniomaxillofac Surg     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  385-90     Citation Subset:  D; IM    
Copyright Information:
Copyright 2009 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Department of Maxillofacial Surgery (Head: Prof. S. Parascandolo), A. Cardarelli Hospital of Naples, Via Antonio Cardarelli n degrees 9, 80131 Naples, Italy.
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MeSH Terms
Descriptor/Qualifier:
Biomechanics
Bone Plates*
Compressive Strength
Dental Stress Analysis
Finite Element Analysis
Fracture Fixation, Internal / instrumentation,  methods*
Humans
Mandibular Condyle / injuries,  surgery*
Mandibular Fractures / surgery*
Materials Testing
Models, Anatomic
Tensile Strength
Weight-Bearing

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


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