Roentgenographic and mechanical performance of centrifuged cement in a simulated total hip arthroplasty model.

Abstract:

:Roentgenographic analysis showed that centrifugation significantly reduced the gross and regional porosity of the cement compared with hand-mixed controls in a simulated total hip arthroplasty model. Static failure test of the prosthetic system demonstrated that the centrifuged cement had significantly greater strength than the hand-mixed cement. Under low-cycle fatigue tests of the same composite models, there was a trend for the centrifuged cement to be stronger than the hand-mixed specimens, although statistically it was not significant. Thus, centrifugation can reduce porosity and significantly improve the static strength of cement in a simulated in vitro total hip replacement model. When cement is used, any possible improvement in the physical properties of bone cement should be considered.

journal_name

Clin Orthop Relat Res

authors

Chao EY,Chin HC,Stauffer RN

subject

Has Abstract

pub_date

1992-12-01 00:00:00

pages

91-101

issue

285

eissn

0009-921X

issn

1528-1132

pub_type

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