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Effect of the Cavity-Cavity Interaction on the Stress Amplitude in Orthopedic Cement
LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
- 1 LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
- 2 LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
- 3 LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
- 4 LMPM, Mechanical Engineering Department, University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria
Journal of Biomaterials and Nanobiotechnology·Volume 04 (2013)·Pages 30–36·Published 17 January 2013·DOI10.4236/jbnb.2013.41005
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Abstract
The presence of porosities in bone cement (polymethylmethacrylate) in total hip prosthesis (THP) cemented is neces sary for the diffusion of antibiotics, but it is a critical characteristic of weakening by the effect of stress concentration and the interconnecting pores. The aim of this study was to analyse by the finite element method (FEM), the size influ ence of micro-cavities in cement assuming the junction cup-bone, and the effect of cavity-cavity interaction on the stress level and distribution in cement according to the human stance defined by the implant position axis compared to that of the cup.
KeywordsCementStress ConcentrationInteraction EffectCavitySize
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