RESEARCH ARTICLE
Biomechanical In Vitro - Stability Testing on Human Specimens of a Locking Plate System Against Conventional Screw Fixation of a Proximal First Metatarsal Lateral Displacement Osteotomy
Heino Arnold*, 1, Christina Stukenborg-Colsman2, Christof Hurschler3, Frank Seehaus3, Evgenij Bobrowitsch3, Hazibullah Waizy2
Article Information
Identifiers and Pagination:
Year: 2012Volume: 6
First Page: 133
Last Page: 139
Publisher ID: TOORTHJ-6-133
DOI: 10.2174/1874325001206010133
Article History:
Received Date: 1/12/2011Revision Received Date: 4/3/2012
Acceptance Date: 8/3/2012
Electronic publication date: 4/4/2012
Collection year: 2012

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.
Abstract
Introduction:
The aim of this study was to examine resistance to angulation and displacement of the internal fixation of a proximal first metatarsal lateral displacement osteotomy, using a locking plate system compared with a conventional crossed screw fixation.
Materials and Methodology:
Seven anatomical human specimens were tested. Each specimen was tested with a locking screw plate as well as a crossed cancellous srew fixation. The statistical analysis was performed by the Friedman test. The level of significance was p = 0.05.
Results:
We found larger stability about all three axes of movement analyzed for the PLATE than the crossed screws osteosynthesis (CSO). The Friedman test showed statistical significance at a level of p = 0.05 for all groups and both translational and rotational movements.
Conclusion:
The results of our study confirm that the fixation of the lateral proximal first metatarsal displacement osteotomy with a locking plate fixation is a technically simple procedure of superior stability.