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USMLE
Orthopedic Surgery
Stripe wear in ceramic-on-ceramic hip arthroplasty indicates which of the following problems?
Explanation
ExplanationB. Stripe wear on a ceramic-on-ceramic bearing is an arcuate area of roughness on the ceramic head resulting from repetitive subclinical subluxation. The ceramic head loads upon the edge of the acetabular socket. In this high-load scenario, the femoral head is roughened, creating the stripe line. Stripe wear is detected by microscopic examination
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