Mobile-Bearing Total Knee Arthroplasty and Polyethylene Wear

Clinical report by Douglas A. Dennis on mobile-bearing total knee arthroplasty: historical failures from aseptic loosening, the trade-off between component conformity and polyethylene wear, periprosthetic osteolysis, kinematic patterns that accelerate wear, and the design and technical problems specific to mobile-bearing knees in younger, more active patients.