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ORIGINAL ARTICLE
Year : 2016  |  Volume : 19  |  Issue : 3  |  Page : 386-390

Biomechanical analysis of titanium fixation plates and screws in mandibular angle fractures


1 Department of Biomedical Engineering, Faculty of Engineering, Institute of Science, Düzce University, Düzce, Turkey
2 Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Gazi University, Ankara, Turkey
3 Department of Biomedical Engineering, Faculty of Engineering, Düzce University, Düzce, Turkey

Correspondence Address:
Dr. M Arslan
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Gazi University, Bişkek Cd. (8. Cd) 82.Sk., No: 4, 06510 Emek, Ankara
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1119-3077.179292

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Objective: The aim of this study was to evaluate the mechanical behavior of different rigid fixation methods in mandibular angle fractures. Materials and Methods: Three different three-dimensional finite element models of the mandible were developed to simulate the biomechanical responses of titanium plates and screws. The fracture lines were fixed with double 4-hole straight, 4-hole square, and 5-hole Y plates with monocortical screws. 150 N incisal occlusal loads were simulated on the models. The commercial ANSYS software was utilized to calculate the Von Mises stresses on fixative appliances. Results: The highest Von Mises stress values were observed in the Y plate, whereas the lowest stress values have been found in the square plate. Conclusions: The use of square plate led to better stability and lower mechanical stresses than other techniques.


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