Surface Roughness of CoCr and ZrO<sub>2</sub> Femoral Heads with Metal Transfer: A Retrieval and Wear Simulator Study

<table>Wear (mass loss) for the control femoral heads and those with induced metal transfer.</table>

International Journal of Biomaterials

Figure 5: Surface Roughness of CoCr and ZrO<sub>2</sub> Femoral Heads with Metal Transfer: A Retrieval and Wear Simulator Study 