{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T00:44:35Z","timestamp":1777682675582,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2008,9,1]],"date-time":"2008-09-01T00:00:00Z","timestamp":1220227200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["HSS Journal\u00ae: The Musculoskeletal Journal of Hospital for Special Surgery"],"published-print":{"date-parts":[[2008,9]]},"abstract":"<jats:p>Ceramic femoral heads have been used in an attempt at reducing polyethylene wear of total hip arthroplasties. Clinical results with zirconia femoral heads have been mixed. This study was undertaken to compare the polyethylene wear and incidence of periprosthetic osteolysis in total hip replacements performed using a 28-mm zirconia versus a 28-mm cobalt chromium femoral head. Thirty-five hips with a 28-mm cobalt chromium head and 68 hips with a 28-mm zirconia head were evaluated after a minimum follow-up of 2 years (average, 4.0 years; range, 2.0 to 9.1 years). A monoblock acetabular component was used in all patients. Polyethylene wear was measured in serial radiographs from 58 of the hips utilizing a computer-assisted vector wear technique. Periacetabular osteolysis developed in three patients (two with a zirconia head and one with a cobalt chromium head). The total wear and the annual wear rate were 0.48 mm and 0.11 mm\/year for the cobalt chromium heads and 0.53 mm and 0.14 mm\/year for the zirconia heads, respectively. We found no benefit with respect to the rate of polyethylene wear or incidence of osteolysis with the use of zirconia femoral heads.<\/jats:p>","DOI":"10.1007\/s11420-008-9084-5","type":"journal-article","created":{"date-parts":[[2008,7,14]],"date-time":"2008-07-14T11:44:57Z","timestamp":1216035897000},"page":"107-111","source":"Crossref","is-referenced-by-count":10,"title":["Similar Wear in Total Hip Arthroplasties with Metallic or Zirconia Femoral Heads"],"prefix":"10.1177","volume":"4","author":[{"given":"Randy M.","family":"Cohn","sequence":"first","affiliation":[{"name":"Mount Sinai School of Medicine, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alejandro","family":"Gonz\u00e1lez Della Valle","sequence":"additional","affiliation":[{"name":"Weill Cornell Medical College, New York, NY, USA"},{"name":"The Hospital for Special Surgery, 535 East 70 Street, 10021, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Margaret","family":"Peterson","sequence":"additional","affiliation":[{"name":"The Hospital for Special Surgery, 535 East 70 Street, 10021, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles N.","family":"Cornell","sequence":"additional","affiliation":[{"name":"Weill Cornell Medical College, New York, NY, USA"},{"name":"The Hospital for Special Surgery, 535 East 70 Street, 10021, New York, NY, 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