Comparative Wear Behavior of Titanium Nitride-Coated Titanium and Cobalt Chromium Femoral Components in Cementless Total Knee Arthroplasty.

Harold I Salmons¹, Kailey Fitzgerald², Sally LiArno², Behzad Farshid², Geoffrey H Westrich¹

¹Hospital for Special Surgery, New York City, New York, USA.

²Stryker Corporation, Mahwah, New Jersey, USA.

Abstract

Femoral component surface roughness is a critical determinant of polyethylene wear in total knee arthroplasty (TKA). Titanium nitride (TiN) ceramic surface coatings have been developed to improve wear resistance and address concerns related to metal hypersensitivity; however, comprehensive wear data remain limited. This knee simulator study evaluated the performance of TiN-coated titanium alloy (6…

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