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Related Experiment Videos

Heavy trace elements in ancient Norwegian teeth.

A Attramadal, J Jonsen

    Acta Odontologica Scandinavica
    |January 1, 1978
    PubMed
    Summary

    This study analyzed lead, cadmium, copper, and zinc in ancient Norwegian teeth. Higher lead levels were found in teeth from around 1500 AD, while earlier teeth showed elevated cadmium, copper, and zinc.

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    Area of Science:

    • Paleometallurgy
    • Environmental Archaeology
    • Forensic Anthropology

    Background:

    • Investigating historical elemental exposure through dental tissues provides insights into past environments and human health.
    • Dental remains serve as valuable archives for retrospective toxicological and nutritional studies.

    Observation:

    • Twenty-six human teeth, dating from AD 200 to 1850, were excavated from Norwegian burial sites.
    • Elemental analysis was performed using differential pulse stripping voltammetry on hydrochloric acid digests of the teeth.

    Findings:

    • Teeth from approximately AD 1500, specifically from Gimsøy Kloster and Tønsberg, exhibited significantly high concentrations of lead.
    • Dental samples dating back to AD 200 displayed elevated levels of cadmium, copper, and zinc.

    Implications:

    • The findings suggest potential historical lead exposure events in specific Norwegian regions around the 1500s.
    • Elevated levels of cadmium, copper, and zinc in early samples may reflect baseline environmental conditions or dietary patterns.
    • This research highlights the utility of dental analysis in reconstructing historical environmental and health-related elemental exposures.

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