• April 2011
  • How to Prevent Fractures in Zirconia-Based Restorations

    Dennis Ouye, CDT addresses the importance of proper design and structural support.

    Fractures in ceramic restorations have always been a challenge for technicians. Traditionally, they were caused by the lack of strength of feldspathic ceramic and insufficient bonding to the tooth.

    While newer, stronger ceramics and improved bonding agents help prevent fractures, it's still important to remember that proper substructure design that provides adequate porcelain support is crucial to the success of a case, and this is as true for zirconia restorations as it is for PFMs.

    Even though zirconia...

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