Surgical Decision-Making Concerning Wear in Total Knee Arthroplasty

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Kinematic characteristics of the knee joint after total knee arthroplasty produce adverse wear conditions at the articular bearing surface. Some implant materials and designs that are currently in use have addressed these issues, but a few problems remain. Polyethylene quality and particulate debris are major concerns that have yet to be resolved, but implant design characteristics can minimize the impact of wear on the clinical course.

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