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Elements in minor or trace quantities in zinc phosphate cements.

D Brune

    Scandinavian Journal of Dental Research
    |October 1, 1979
    PubMed
    Summary

    Trace elements in zinc phosphate cements were analyzed. Their levels were below 0.1%, suggesting minimal risk of gastrointestinal transfer from dental restorations.

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    Area of Science:

    • Dental Materials Science
    • Analytical Chemistry

    Background:

    • Zinc phosphate cements are widely used dental restorative materials.
    • Understanding the elemental composition of dental cements is crucial for safety assessment.

    Purpose of the Study:

    • To quantify minor and trace elements in zinc phosphate cement powders and liquids.
    • To assess the potential health risks associated with elemental dissolution from these materials.

    Main Methods:

    • Eight zinc phosphate cement powders and two liquids were analyzed.
    • Optical emission spectrography was employed for elemental characterization.
    • Bismuth, boron, cadmium, chromium, copper, iron, lead, silver, and titanium were quantified.

    Main Results:

    • The concentration of all measured elements (bismuth, boron, cadmium, chromium, copper, iron, lead, silver, titanium) was below 0.1%.
    • This indicates very low levels of these potentially concerning elements in the analyzed cements.

    Conclusions:

    • The analyzed zinc phosphate cements contain minimal quantities of trace elements.
    • The low elemental content suggests a negligible risk of gastrointestinal transfer and associated toxicity from dissolution of unsuccessful restorations.

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