Extensive metallosis and necrosis in failed prostheses with cemented titanium-alloy stems and ceramic heads.

Abstract

We describe three prostheses with cemented titanium-alloy stems and Al2O3 ceramic femoral heads which had to be revised after a mean period of implantation of 78 months. In each case, the neck of the prosthesis had been so severely worn that the profile was elliptical rather than circular. There was severe metallosis of the periprosthetic tissues. Metal… (More)

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