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Related Experiment Videos

New abutment for a screw-retained, implant-supported crown.

R Prisco, S M Morgano, S D'amato

    The Journal of Prosthetic Dentistry
    |February 15, 2001
    PubMed
    Summary

    A new prefabricated abutment simplifies single-crown fabrication. The PDQ abutment eliminates the need for laboratory waxing and casting, streamlining the process for implant-supported restorations.

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    Area of Science:

    • Dental prosthetics
    • Implant dentistry
    • Materials science

    Background:

    • The UCLA abutment, a one-piece implant-supported abutment and crown, is commonly used for single, screw-retained crowns.
    • This traditional method requires a laboratory waxing and casting procedure.

    Purpose of the Study:

    • To introduce and describe the use of a new prefabricated abutment system.
    • To present an alternative to the conventional UCLA abutment fabrication process.

    Main Methods:

    • The PDQ abutment, made from a metal-ceramic alloy, is custom contoured by grinding.
    • A porcelain veneer is fired to the contoured abutment to create a one-piece crown.

    Main Results:

    • The PDQ abutment offers a streamlined approach to fabricating implant-supported crowns.
    • This method bypasses the traditional waxing and casting steps.

    Conclusions:

    • The PDQ abutment provides a simplified, prefabricated alternative for single-crown restorations.
    • This innovation reduces laboratory procedures for implant-supported crowns.

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