Removal of the subchondral plate in acetabular preparation

A G Sutherland, S D'Arcy, D Smart, G P Ashcroft

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Retention of the subchondral plate during acetabular preparation in total hip replacement is believed to be an important part of modern cementing techniques. We have constructed a two-dimensional finite element analysis to assess the effect of retention and removal of this relatively stiff structure. The finite element analysis demonstrates increased stiffness and stress concentrations at the bone-cement interface that may have an adverse effect. Although further study is required, it may be that subchondral bone retention is not advantageous.

Original languageEnglish
Pages (from-to)19-22
Number of pages4
JournalInternational Orthopaedics
Volume24
Issue number1
DOIs
Publication statusPublished - 2000

Keywords

  • TOTAL HIP-ARTHROPLASTY
  • STRESS DISTRIBUTIONS
  • JOINT REPLACEMENT
  • BONE
  • PROSTHESES
  • COMPONENT
  • FIXATION
  • WEAR
  • CUPS

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