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Journal of Long-Term Effects of Medical Implants

Published 4 issues per year

ISSN Print: 1050-6934

ISSN Online: 1940-4379

SJR: 0.184 SNIP: 0.485 CiteScore™:: 1.1 H-Index: 39

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Frictional Torque and Wear of Retrieved Hip Prostheses: A Comparison Between Alumina/PE and Co-Cr/PE Prostheses

Volume 12, Issue 1, 2002, 10 pages
DOI: 10.1615/JLongTermEffMedImplants.v12.i1.40
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ABSTRACT

Frictional torque and wear were measured in 67 retrieved cups with internal diameters of 32 mm. Thirty cups were combined with alumina heads and 37 were combined with metal heads. A lower prevalence of cup loosening was observed in alumina-polyethylene implants than in metal-polyethylene implants. No relation between frictional torque and stability of implants was detected for either type, whereas retrieved cups of alumina—polyethylene implants showed lower frictional torque than those of metal-polyethylene implants. Less wear was observed in the cups of alumina-polyethylene implants (0.13 mm/y) than in those of metal—polyethylene implants (0.19 mm/y). Less wear was observed in cups without loosening than in those with loosening in both types. These results suggest that wear has a greater influence on the stability of cups than frictional torque.

CITED BY
  1. Brockett Claire L., Harper Phil, Williams Sophie, Isaac Graham H., Dwyer-Joyce Rob S., Jin Zhongmin, Fisher John, The influence of clearance on friction, lubrication and squeaking in large diameter metal-on-metal hip replacements, Journal of Materials Science: Materials in Medicine, 19, 4, 2008. Crossref

  2. Dahl Jon, Söderlund Per, Nivbrant Bo, Nordsletten Lars, Röhrl Stephan M., Less wear with aluminium-oxide heads than cobalt-chrome heads with ultra high molecular weight cemented polyethylene cups: A ten-year follow-up with radiostereometry, International Orthopaedics, 36, 3, 2012. Crossref

  3. Ihle Martin, Mai Sabine, Siebert Werner, Ceramic Versus Metal Femoral Heads in Combination With Polyethylene Cups, Seminars in Arthroplasty, 22, 4, 2011. Crossref

  4. Cash David J.W., Khanduja Vikas, The case for ceramic-on-polyethylene as the preferred bearing for a young adult hip replacement, HIP International, 24, 5, 2014. Crossref

  5. Okazaki Yoshimitsu, Selection of metals for biomedical devices, in Metals for Biomedical Devices, 2019. Crossref

  6. Yup Lee Jung, Kim Shin-Yoon, Alumina-on-Polyethylene Bearing Surfaces in Total Hip Arthroplasty, The Open Orthopaedics Journal, 4, 1, 2010. Crossref

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