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Bone & Joint Research
Dates
Year From

Year To
Bone & Joint Research
Vol. 1, Issue 4 | Pages 56 - 63
1 Apr 2012
Langton DJ Sidaginamale R Lord JK Nargol AVF Joyce TJ

Objectives

An ongoing prospective study to investigate failing metal-on-metal hip prostheses was commenced at our centre in 2008. We report on the results of the analysis of the first consecutive 126 failed mated total hip prostheses from a single manufacturer.

Methods

Analysis was carried out using highly accurate coordinate measuring to calculate volumetric and linear rates of the articular bearing surfaces and also the surfaces of the taper junctions. The relationship between taper wear rates and a number of variables, including bearing diameter and orientation of the acetabular component, was investigated.