Time-dependent changes in the mechanical properties of zirconia ceramic.

@article{Shimizu1993TimedependentCI,
  title={Time-dependent changes in the mechanical properties of zirconia ceramic.},
  author={Kentaro Shimizu and Masanori Oka and Paresh Kumar and Yoshihiko Kotoura and Takao Yamamuro and Kenzo Makinouchi and Takashi Nakamura},
  journal={Journal of biomedical materials research},
  year={1993},
  volume={27 6},
  pages={
          729-34
        }
}
Zirconia has received special attention, mainly because of its high strength and toughness. However, there is some controversy about the time-dependent deterioration of its mechanical properties. To examine the change in mechanical properties of zirconia ceramics in vivo and in vitro, tetragonal zirconia polycrystal pieces were introduced into the medullary cavity of the tibia in Japanese rabbits and animals were sacrificed after 2, 4 and 6 weeks and 6, 12, and 30 mo, respectively. Alumina… CONTINUE READING
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