Revision of cemented fixation and cement-bone interface strength.

  title={Revision of cemented fixation and cement-bone interface strength.},
  author={A D Rosenstein and W. Macdonald and Andreas Iliadis and Peter McLardy-Smith},
  journal={Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine},
  volume={206 1},
Interfacial shear strength between poly(methyl methacrylate) (PMMA) bone cement and cancellous bone was measured in bone samples from human proximal femora. Samples were prepared with fresh cement-bone, fresh cement inside a mantle of existing cement and with fresh cement-revised bone surfaces. Push-out tests to measure shear strength caused failure only at bone-cement interfaces; revised bone interfaces were 30 per cent weaker (P < 0.02) than primary interfaces. The clinical relevance is that… CONTINUE READING


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