Characterization of Micro-Threaded Stem Taper Surfaces of Cementless Hip Endoprostheses
Drago Dolinar,
Boštjan Kocjančič,
Klemen Avsec
et al.
Abstract:We investigated micro-threaded stem taper surface and its impact on premature failures, aseptic loosening, and infection in cementless hip endoprostheses. Our study focused on the fretting, and crevice corrosion of micro-threaded tapers, as well as the characterization of the microstructure and surface properties of two new and three retrieved Zweymüller stem tapers. The retrieved samples were selected and examined based on the head–stem taper interface being the sole source of modularity with a metallic compo… Show more
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