Wear and Deformation of Ceramic Implants in Total Hip Arthroplasty – Case Report

Introduction: Ceramic-on-ceramic total hip arthroplasty (THA) is recognized for its long-term survivorship, although complications such as squeaking or fractures can occur. We report the first documented case of wear with deformation of a ceramic implant without frank fracture. Case Presentation: A 72-year-old female, implanted 11 years prior, presented with mechanical pain and squeaking. Radiographs revealed femoral head eccentricity. A single-component revision improved the patient’s symptoms. Implant analysis demonstrated abnormal wear and deformation of both the femoral head and the acetabular liner, without fracture. Discussion: The most likely hypothesis is a third-body effect, secondary to a ceramic fragment detached during initial impaction. This case highlights the importance of a meticulous surgical technique and consideration of individual biomechanics when implanting ceramic-on-ceramic THA.