Effect of the Cavity-Cavity Interaction on the Stress Amplitude in Orthopedic Cement


The presence of porosities in bone cement (polymethylmethacrylate) in total hip prosthesis (THP) cemented is necessary 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 influence 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.

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L. Zouambi, B. Serier, H. Fekirini and B. Bouiadjra, "Effect of the Cavity-Cavity Interaction on the Stress Amplitude in Orthopedic Cement," Journal of Biomaterials and Nanobiotechnology, Vol. 4 No. 1, 2013, pp. 30-36. doi: 10.4236/jbnb.2013.41005.

Conflicts of Interest

The authors declare no conflicts of interest.


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