In 1971, Boutin introduced the concept of an alumina-on-alumina bearing in total hip replacement and emphasised polyethylene wear as the major limitation of a metal-on-polyethylene articulation.[1][1],[2][2] This was further confirmed by Willert, Bertram and Buchorn.[3][3] Many pioneers from around
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Nizard et al. (2005) studied this question.
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