2023
DOI: 10.1002/jor.25734
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The influence of implant design and limb alignment on in vivo wear rates of fixed‐bearing and rotating‐platform knee implant retrievals

Michael J. Dreyer,
Bernhard Weisse,
José Ignacio Contreras Raggio
et al.

Abstract: Analysis of polyethylene wear in knee implants is crucial for understanding the factors leading to revision in total knee arthroplasty. Importantly, current experimental and computational methods for predicting insert wear can only be validated against true in vivo measurements from retrievals. This study quantitatively investigated in vivo polyethylene wear rates in fixed‐bearing (n=21) and rotating‐platform (n=53) implant retrievals. 3D surface geometry of the retrievals was measured using a structured light… Show more

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