TKR: No difference between oxidized zirconium and cobalt-chromium femoral components
Comparison of the Genesis II total knee replacement with oxidised zirconium and cobalt-chromium femoral components in the same patients: A prospective, double-blind, randomised controlled studyJ Bone Joint Surg Br. 2012 Sep;94(9):1221-7
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351 patients (701 knees) with osteoarthritis underwent simultaneous bilateral total knee replacement (TKR), in which each knee was randomized to receive an oxidised zirconium (OxZr) or a cobalt-chrome (CoCr) femoral component. After a mean of 7.5 years, there was no significant difference between the two groups for mean weight, size, and shape of the aspirated wear particles. The two groups also d...
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