COMPARISON OF THE WEAR RATES OF TWENTY-EIGHT AND THIRTY-TWO-MILLIMETER FEMORAL HEADS ON CROSS-LINKED POLYETHYLENE ACETABULAR CUPS IN A WEAR SIMULATOR

Abstract
Background:The use of larger femoral head sizes in total hip arthroplasty has been shown to reduce the rate of dislocation and to increase the range of motion; however, such components have been associated with unacceptably high polyethylene wear rates. Studies have shown dramatic differences in wea

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