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On the in vitro fracture toughness of human dentin

  • Author(s): Imbeni, V.;
  • Nalla, R.K.;
  • Bosi, C.;
  • Kinney, J.H.;
  • Ritchie, R.O.
  • et al.
Abstract

The in vitro fracture toughness of human dention has been reported to be of the order of 3 MPa sqrt m. This result, however is based on a single study for a single orientation, and furthermore involves notched, rather than fatigue precracked, test samples.

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