Cobalt-Chromium, Oxidized Zirconium Femoral Implants Have Similar Results

Orthosupersite (2011-04-06)—A study that compared cobalt-chromium and oxidized zirconium femoral implants in patients with osteoarthritis who underwent bilateral total knee replacements showed no significant differences in subjective, clinical, and radiographic results over a five-year period. Forty-four percent of the 40 patients, all of whom received a cobalt-chromium implant in one knee and an oxidized zirconium implant in the other, reported no preference for either implant at 5 years postsurgery, while 38 percent favored the cobalt-chromium and 18 percent preferred the oxidized zirconium implant. Read more