The effects of fluid penetration and interfacial porosity on the fixation of cemented femoral components.

@article{Iesaka2005TheEO,
  title={The effects of fluid penetration and interfacial porosity on the fixation of cemented femoral components.},
  author={Kazuho Iesaka and William L Jaffe and C. M. Jones and Frederick J. Kummer},
  journal={The Journal of bone and joint surgery. British volume},
  year={2005},
  volume={87 9},
  pages={1298-302}
}
We have investigated the role of the penetration of saline on the shear strength of the cement-stem interface for stems inserted at room temperature and those preheated to 37 degrees C using a variety of commercial bone cements. Immersion in saline for two weeks at 37 degrees C reduced interfacial strength by 56% to 88% after insertion at room temperature and by 28% to 49% after preheating of the stem. The reduction in porosity as a result of preheating ranged from 71% to 100%. Increased… CONTINUE READING

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