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Bone & Joint Research
Vol. 11, Issue 5 | Pages 301 - 303
17 May 2022
Clement ND Skinner JA Haddad FS Simpson AHRW


Bone & Joint Research
Vol. 10, Issue 6 | Pages 348 - 350
1 Jun 2021
Skinner JA Sabah SA Hart AJ


Bone & Joint Research
Vol. 6, Issue 5 | Pages 345 - 350
1 May 2017
Di Laura A Hothi H Henckel J Swiatkowska I Liow MHL Kwon Y Skinner JA Hart AJ

Objectives

The use of ceramic femoral heads in total hip arthroplasty (THA) has increased due to their proven low bearing wear characteristics. Ceramic femoral heads are also thought to reduce wear and corrosion at the head-stem junction with titanium (Ti) stems when compared with metal heads. We sought to evaluate taper damage of ceramic compared with metal heads when paired with cobalt chromium (CoCr) alloy stems in a single stem design.

Methods

This retrieval study involved 48 total hip arthroplasties (THAs) with CoCr V40 trunnions paired with either CoCr (n = 21) or ceramic (n = 27) heads. The taper junction of all hips was evaluated for fretting/corrosion damage and volumetric material loss using a roundness-measuring machine. We used linear regression analysis to investigate taper damage differences after adjusting for potential confounding variables.