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[Dental amalgam corrosion].

J A von Fraunhofer

    Revue Belge De Medecine Dentaire. Belgisch Tijdschrift Voor Tandheelkunde
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Dental amalgam corrosion is a natural process in the mouth, influenced by alloy composition and surface finish. Dispersion phase alloys may offer better corrosion resistance than conventional ones.

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    Area of Science:

    • Dental Materials Science
    • Electrochemistry
    • Oral Environment Interactions

    Context:

    • Dental amalgam restorations are common in clinical practice.
    • The oral environment presents a complex electrolytic medium (saliva).
    • Amalgam restorations are susceptible to electrochemical corrosion.

    Purpose:

    • To explain the electrochemical process of amalgam corrosion.
    • To identify factors influencing amalgam corrosion.
    • To compare corrosion resistance of different amalgam types.

    Summary:

    • Corrosion involves anodic and cathodic reactions within amalgam restorations in saliva.
    • Key influencing factors include alloy composition, particle size, mercury content, gamma-2 phase presence, and surface finishing.

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  • Dispersion phase alloys may exhibit superior corrosion resistance compared to conventional alloys.
  • Fluoridated amalgams might be more prone to corrosion.

    • Impact:

    • Understanding corrosion mechanisms is crucial for improving dental restorative material longevity.
    • Identifying factors that enhance corrosion resistance can guide the development of more durable dental amalgams.
    • This knowledge aids in predicting and managing potential adverse effects of amalgam corrosion in patients.