Fracture resistance of implant-supported screw- versus cement-retained porcelain fused to metal single crowns: SEM fractographic analysis.

@article{Zarone2007FractureRO,
  title={Fracture resistance of implant-supported screw- versus cement-retained porcelain fused to metal single crowns: SEM fractographic analysis.},
  author={Fernando Zarone and Roberto Sorrentino and Tonino Traini and Donato Di lorio and Sergio Caputi},
  journal={Dental materials : official publication of the Academy of Dental Materials},
  year={2007},
  volume={23 3},
  pages={296-301}
}
OBJECTIVES The present in vitro study aimed at evaluating the fracture resistance of both implant-supported screw- and cement-retained porcelain fused to metal (PFM) single crowns. A scanning electron microscope (SEM) evaluation of the mode of failure of the specimens was also performed. METHODS Forty PFM premolar-shaped identical single crowns were realized. The restorations were divided into two groups: cement-retained (group 1) and screw-retained (group 2) prostheses. Compressive loading… CONTINUE READING
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