• Instr Course Lect · Jan 2010

    Metal-on-Metal Bearings in Total Hip Arthroplasty.

    • Paul E Beaulé, Steven A Mussett, and John B Medley.
    • Division of Orthopaedics, University of Ottawa, Ottawa, Ontario, Canada.
    • Instr Course Lect. 2010 Jan 1;59:17-25.

    AbstractThe demand for total hip arthroplasty is increasing, as are patients' expectations to return to high activity levels. Metal-on-metal bearings are being used in an effort to maximize the longevity of primary hip replacements. Acetabular component inclination has been a recognized aspect of surgical technique for more than 20 years; it now is considered critical, especially in hip resurfacing or implantation of a stem-type device with a larger diameter femoral head and a monoblock acetabular component. It is important to understand the indications for using metal-on-metal bearings as well as the key clinical factors for avoiding early implant failure.

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