Shrinkage stresses in bone cement.

  title={Shrinkage stresses in bone cement.},
  author={John F. Orr and Nicholas J. Dunne and John C. Quinn},
  volume={24 17},
Shrinkage of bone cement is reported primarily as a consequence of polymerisation, however thermal shrinkage also occurs as a result of its exothermic reaction. It is proposed that the latter effect is important, since it occurs late in the curing cycle at a time when the cement has attained its mechanical properties as a solid, and that residual stresses result. Observations from experiments and literature reports suggest that residual stresses may be sufficient to initiate cracks at the… CONTINUE READING

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