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Dental amalgam. III: Toxicity.

P Städtler1

  • 1Abteilung für Konservierende Zahnheilkunde, Univ.-Klinik für Zahn-, Mund- und Kieferheilkunde, Graz.

International Journal of Clinical Pharmacology, Therapy, and Toxicology
|April 1, 1991
PubMed
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Dental amalgam fillings contribute to mercury exposure. While minimizing mercury is ideal, current toxicological data show no reason to avoid amalgam in dentistry, and mobilization tests or zinc therapy are not indicated.

Area of Science:

  • Dental materials science
  • Toxicology
  • Public health

Background:

  • Dental amalgam is a significant source of mercury exposure for the general population.
  • Minimizing mercury exposure is a public health objective.
  • The use of dental amalgam necessitates balancing exposure reduction with dental treatment requirements.

Purpose of the Study:

  • To evaluate the toxicological implications of mercury exposure from dental amalgam fillings.
  • To determine the necessity of avoiding amalgam in dental surgery.
  • To assess the appropriateness of mobilization tests and zinc therapy for amalgam-related mercury exposure.

Main Methods:

  • Analytical measurement of mercury exposure from amalgam fillings.
  • Toxicological assessment of amalgam as a dental material.

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  • Review of indications for mobilization tests and zinc therapy in relation to dental mercury exposure.

    • Main Results:

    • Amalgam fillings measurably contribute to population mercury exposure.
    • From a toxicological standpoint, there is currently no reason to discontinue the use of amalgam in dental surgery.
    • Mobilization tests and zinc therapy are not indicated for managing mercury exposure from amalgam fillings.

    Conclusions:

    • Dental amalgam is a necessary material in current dental practice.
    • The toxicological profile of amalgam does not warrant its renunciation.
    • Specific interventions like mobilization tests and zinc therapy are not recommended for amalgam-related mercury exposure.