Influence of occlusal geometry on ceramic crown fracture; role of cusp angle and fissure radius.

@article{Sornsuwan2011InfluenceOO,
  title={Influence of occlusal geometry on ceramic crown fracture; role of cusp angle and fissure radius.},
  author={Tanapon Sornsuwan and Michael Swain},
  journal={Journal of the mechanical behavior of biomedical materials},
  year={2011},
  volume={4 7},
  pages={1057-66}
}
OBJECTIVES To develop an approximate analytical model that identifies the influence of both cusp angle and notch radius on the failure load of all-ceramic premolar crowns. METHODS The scatter of failure loads in a crown fracture resistance test was analyzed based on the stress intensity and stress concentration factors from mechanics models developed for simple compact tension to more sophisticated blunt V-notch specimens. Based on the same loading conditions and dimensions, the predicted… CONTINUE READING

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