Regional variation in shear strength of the bone—Polymethylmethacrylate interface

D. J. Bean, F. R. Convery*, S. L Y Woo, R. L. Lieber

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Many investigators consider the polymethylmethacrylate—bone interface the weakest link in the bone—cement—implant system. Push-out tests, frequently used for in vitro evaluation of the bone—cement interface, produced inconsistent results of shear strength. Therefore, a more reliable model for testing the shear failure of the interface was developed. Better understanding of intrinsic variations in bone quality and geometry of endosteal bone at the interface may yield important insight into the patterns of clinical failure of cemented total joint prostheses.

Original languageEnglish (US)
Pages (from-to)293-298
Number of pages6
JournalJournal of Arthroplasty
Volume2
Issue number4
DOIs
StatePublished - 1987

Keywords

  • PMMA
  • anatomic quadrants
  • bone—cement interface
  • interface shear strength
  • pressurization of PMMA
  • variation

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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