• Medicine
  • Published 2007

In Vitro Fracture Resistance of Amalgam Post-core Restorations.

  title={In Vitro Fracture Resistance of Amalgam Post-core Restorations.},
  author={Yang Jia},
Objective:To assess the contribution of amalgam extension into the root canal space to the fracture resistance and failure patterns of amalgam post-core restorations.Methods: 40 noncarious and nonrestored premolars were stored in physiological saline solution.The teeth were endodontically treated,and divided into 4 equally experimental groups based on facial-lingual width.The different depths of amalgam post-core restorations were prefabricated.Group Ⅳ was the control group.Each specimen was… CONTINUE READING

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