The effect of finish line preparation and layer thickness on the failure load and fractography of ZrO2 copings.

@article{Reich2008TheEO,
  title={The effect of finish line preparation and layer thickness on the failure load and fractography of ZrO2 copings.},
  author={Sven M. Reich and Anselm Petschelt and Ulrich Lohbauer},
  journal={The Journal of prosthetic dentistry},
  year={2008},
  volume={99 5},
  pages={369-76}
}
STATEMENT OF PROBLEM To prevent tooth weakening or pulp irritation, there is a need for a minimally invasive method of preparing single anterior crowns. Restoration dimensions for reduced coping thicknesses or less invasive finish line preparations are required. PURPOSE The purposed of this in vitro was to study investigate the fracture performance of high-strength zirconia copings, compare knife-edge margins with chamfer finish lines, and examine the effect of reducing the layer thickness… CONTINUE READING
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