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Phases in preamalgamated silver amalgam alloy.

S J Jensen, M M Vrijhoef

    Scandinavian Journal of Dental Research
    |May 1, 1976
    PubMed
    Summary

    X-ray diffraction revealed the phase content of dental amalgam alloys. Five of six tested alloys contained the beta 1-phase, crucial for dental restoration performance.

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    Area of Science:

    • Dental Materials Science
    • Metallurgy
    • Crystallography

    Background:

    • Dental amalgam alloys are widely used in restorative dentistry.
    • Understanding the phase composition of these alloys is critical for predicting their clinical performance and longevity.
    • The beta 1-phase is a significant component influencing the mechanical properties of dental amalgams.

    Purpose of the Study:

    • To determine the phase content of commercially available preamalgamated dental alloys.
    • To identify the presence and prevalence of the beta 1-phase in these materials.

    Main Methods:

    • X-ray diffraction (XRD) analysis was employed to characterize the crystalline phases present in the alloys.
    • Six different preamalgamated dental alloys were selected from the dental market for analysis.

    Main Results:

    • The phase composition of six preamalgamated dental alloys was successfully determined using X-ray diffraction.
    • The beta 1-phase was identified in five out of the six tested alloys, indicating its common occurrence in dental amalgam formulations.

    Conclusions:

    • The beta 1-phase is a prevalent component in many commercially available dental amalgam alloys.
    • This finding has implications for understanding the behavior and suitability of these alloys for dental applications.

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