Materials design in the performance of all-ceramic crowns.

  title={Materials design in the performance of all-ceramic crowns.},
  author={Brian R. Lawn and Antonia Pajares and Yu Zhang and Yan Deng and Mariano A Polack and Isabel K. Lloyd and Elizabeth Dianne Rekow and Van P. Thompson},
  volume={25 14},
Results from a systematic study of damage in material structures representing the basic elements of dental crowns are reported. Tests are made on model flat-layer specimens fabricated from various dental ceramic combinations bonded to dentin-like polymer substrates, in bilayer (ceramic/polymer) and trilayer (ceramic/ceramic/polymer) configurations. The specimens are loaded at their top surfaces with spherical indenters, in simulation of occlusal function. The onset of fracture is observed in… CONTINUE READING


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