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[Zinc and caries].

V A Gomershteĭn, Iu M Maksimovskiĭ

    Stomatologiia
    |November 1, 1989
    PubMed
    Summary

    This study found increased zinc levels in carious teeth and elevated zinc excretion in the saliva of caries patients. Researchers suggest zinc preparations may aid in initial caries remineralization.

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    Area of Science:

    • Dental research
    • Biochemistry
    • Trace element analysis

    Background:

    • Dental caries is a prevalent oral disease.
    • Zinc is an essential trace element with potential roles in oral health.
    • Understanding zinc's role in caries pathogenesis is crucial for developing preventive strategies.

    Purpose of the Study:

    • To investigate zinc concentrations in tooth structures and saliva of individuals with and without caries.
    • To explore the relationship between dietary zinc intake and salivary zinc excretion in caries patients.
    • To evaluate the potential of zinc preparations for caries remineralization.

    Main Methods:

    • Neutron activation analysis was used to measure zinc levels in enamel and dentin from carious and intact teeth.
    • Atomic absorption spectroscopy determined zinc levels in tooth deposits and mixed saliva.
    • Dietary habits and zinc content were analyzed over a month for matched groups of caries patients and healthy subjects.

    Main Results:

    • Significantly increased zinc levels were observed in the dentin and enamel of carious teeth compared to intact teeth.
    • A trend towards higher zinc levels in the saliva of caries patients was detected.
    • Caries patients exhibited a greater proportion of dietary zinc excreted in their saliva.

    Conclusions:

    • Elevated zinc levels in carious tooth structures suggest a potential role in the disease process.
    • Increased salivary zinc excretion in caries patients warrants further investigation.
    • Oral and topical zinc preparations may offer a promising approach for remineralization in early-stage dental caries.

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