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The Clinical Significance of Wear in Total Hip and Knee Prostheses

otal joint replacement is one of the success stories of modern orthoTpaedic surgery and is carried out for patients with osteoarthritis, rheumatoid arthritis, and congenital deformity, and those suffering the consequences of trauma. In the United States, 123,000 procedures at the knee or ankle were reported in 1979 and by 1983 this number had increased to 161,000 interventions. For the hip the corresponding numbers are 130,000 and 159,000 respectively [1]. In 1986, it is estimated