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[Ceramic canal pins].

C Pizzirani, V Ortolani

    Minerva Stomatologica
    |December 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    A new technique for restorative dentistry involves ceramizing metallic pins to enhance adhesion with composite resin. This improves restoration durability by preventing mechanical stress concentration and reducing failures.

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    Area of Science:

    • Restorative Dentistry
    • Dental Materials Science
    • Biomaterials Engineering

    Background:

    • Retentive endoradicular pins are used in restorative dentistry to retain filling materials.
    • Metallic pins can be susceptible to mechanical stress concentration, leading to restoration failure.
    • Improving the bond between the pin and the restorative material is crucial for longevity.

    Observation:

    • A technique involving ceramization of the metallic surface of endoradicular pins was investigated.
    • The ceramization process aims to create a surface receptive to bonding agents.
    • A silane coupling agent was used to mediate adhesion between the pin and composite resin.

    Findings:

    • Ceramization of metallic pins resulted in excellent adhesion to composite resin when a silane coupling agent was used.

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  • The strong bond formed prevents dangerous concentrations of mechanical forces around the pin.
  • This technique significantly reduces the probability of pin fracture and restoration failure.

    • Implications:

    • This method offers a simple yet effective approach to enhance the stability and longevity of dental restorations.
    • It provides a viable strategy for minimizing mechanical failures associated with endoradicular pins.
    • The findings have potential applications in improving the success rate of root canal treated teeth requiring coronal restoration.