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Gold Electroforming System: GES restorations

F Behrend

    Journal of Dental Technology : the Peer-Reviewed Publication of the National Association of Dental Laboratories
    |March 1, 1997
    PubMed
    Summary

    Electroformed gold copings offer a superior substructure for dental restorations compared to traditional cast metal. This technique provides excellent biocompatibility, accuracy, and durability for inlays, crowns, and bridges.

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    Area of Science:

    • Dental Materials Science
    • Biomaterials Engineering
    • Prosthodontics

    Background:

    • Traditional cast metal substructures for porcelain-fused-to-metal restorations have limitations.
    • Electroforming offers an alternative method for creating substructures.

    Purpose of the Study:

    • To evaluate the advantages of electroformed gold copings as substructures for dental restorations.
    • To compare electroforming with traditional cast metal techniques.

    Main Methods:

    • Pure gold is electrodeposited onto a duplicate die to form copings.
    • The internal surfaces precisely replicate the die's exterior.
    • Material thickness is uniformly controlled at 0.2mm.

    Main Results:

    • Electroformed copings exhibit high biocompatibility and accuracy.
    • Restorations demonstrate increased durability.
    • Marginal accuracy averages 19 microns.
    • The gold material is burnishable.

    Conclusions:

    • Electroformed gold copings present significant advantages over cast metal for dental substructures.
    • Advancements in technology make this technique viable for ceramics laboratories.
    • This method enhances the quality and longevity of dental restorations.

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