Abstract
Introduction The performance of cemented total hip replacement (THR) is dependent on a number of factors including patient specific bone geometry, bone material properties, stem design, stem positioning and cement mantle thickness. Cement penetrates into the adjacent cancellous bone during cement pressurisation and stem insertion of the THR, forming a bone-cement composite layer. It has been reported that this layer enhances the bonding strength of the THR [Lucksanasombool, 2002]. The objective of this sensitivity analysis is to investigate the influence of stem position and the composite layer thickness on selected performance metrics using finite element (FE) analysis.
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