Analysis of mechanical stress in reconstruction plates for bridging mandibular angle defects

Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
Wolf-Dieter KnollPeter Maurer

Abstract

The objective of the present study was to evaluate the mechanical stress in reconstruction plates and the screw-plate-bone interface used in bridging a mandibular angle defect by means of the finite element method (FEM). The influence of plate geometry as well as the configuration and the diameter of the screws on the mechanical stress distribution was to be determined at the same time and was used as the basis for developing suggestions to optimize the design of the reconstruction plates. Based on the geometrical data of a human mandible, an angle defect bridged by a titanium reconstruction plate was generated and exposed to chewing force. First a reconstruction plate was tightly fixed with M2.7 titanium screws. Then, plate design, screw configuration and screw diameter were varied. The mechanical stress was calculated according to von Mises stress hypothesis. In the standard reconstruction plate, the result of the finite element analysis revealed stress resulting from the simulated functional loadings which far exceeded the strengths of the components. Possible clinical consequences could be a fatigue fracture of the plate itself, gradual loosening of the osteosynthesis screws and loss of bone. The stress can be reduced to le...Continue Reading

References

Nov 30, 2005·Mund-, Kiefer- und Gesichtschirurgie : MKG·P MaurerJ Schubert

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Citations

Dec 4, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·P W KämmererG F Draenert
Jan 29, 2014·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Péter BujtárC M E Avery
Dec 18, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Jutta MarkwardtBernd Reitemeier
Feb 13, 2016·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Ik Jae KwonSuk Keun Lee
Dec 26, 2015·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Makoto HirotaTakahiro Ogawa
Jan 7, 2014·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Liang ZhaoYanpu Liu
Apr 24, 2012·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Raymond C W WongSuk Meng Goh
Apr 21, 2012·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Raymond C W WongSuk Ming Goh
Jan 5, 2011·International Journal of Oral and Maxillofacial Surgery·R C W WongK Liao
Dec 1, 2009·International Journal of Oral and Maxillofacial Surgery·R C W WongM A W Merkx
Nov 11, 2008·Journal of Biomechanics·Volkan Kovan
Nov 26, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Manuel Pinheiro, J L Alves
Jul 19, 2008·Auris, Nasus, Larynx·Maki NagasaoKaoru Ogawa
Sep 18, 2014·Plastic Surgery International·Akiko SakakibaraShinya Tahara
Aug 25, 2009·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·M C NolffN-C Gellrich
Mar 10, 2018·The Journal of Craniofacial Surgery·Abdullah Tahir ŞensoyAli Kiki
Nov 27, 2016·Computer Methods in Biomechanics and Biomedical Engineering·Ralf GutwaldFloor M Lambers
Jun 27, 2019·Oral and Maxillofacial Surgery·Cleverson PatussiNelson Luís Barbosa Rebellato
Feb 17, 2011·Journal of Veterinary Dentistry·Elisângela P FreitasAlexander O El Warrak
Mar 25, 2011·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·V Kovan
Nov 30, 2019·Journal of the Mechanical Behavior of Biomedical Materials·Somasundaram PrasadhRaymond Chung Wen Wong
Nov 9, 2020·Journal of Stomatology, Oral and Maxillofacial Surgery·G MuftuogluP Aydin

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