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Related Experiment Videos

The collarless metal-ceramic crown.

C J Goodacre, N B Van Roekel, R W Dykema

    The Journal of Prosthetic Dentistry
    |December 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    A new technique simplifies fabricating collarless metal-ceramic crowns using spot-welding. This method ensures well-fitted dental restorations with reduced technical skill requirements.

    Area of Science:

    • Dental Materials Science
    • Prosthodontics
    • Biomaterials Engineering

    Background:

    • Fabrication of metal-ceramic crowns is a complex dental procedure.
    • Achieving precise fit and esthetics in collarless designs presents unique challenges.
    • Existing techniques often demand significant technical expertise and time.

    Purpose of the Study:

    • To introduce a novel technique for fabricating collarless metal-ceramic crowns.
    • To simplify the fabrication process while maintaining restoration quality.
    • To reduce the technical skill required for producing well-fitted crowns.

    Main Methods:

    • Developed a technique involving spot-welding a platinum-foil matrix to the metal casting.
    • Contouring of the casting was performed prior to porcelain application.

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  • The platinum foil served as a matrix for porcelain application.

    • Main Results:

    • The developed technique allows for the fabrication of collarless metal-ceramic crowns.
    • Spot-welding the platinum-foil matrix to the contoured casting proved effective.
    • Restorations produced exhibited a high degree of fit.

    Conclusions:

    • The novel spot-welding technique offers a simplified approach to fabricating collarless metal-ceramic crowns.
    • This method achieves well-fitted restorations with a reduced need for advanced technical skills.
    • The technique holds potential for improving efficiency and accessibility in dental crown fabrication.