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Related Experiment Videos

Paleomicrobiological study in dental calculus: Streptococcus mutans

A Linossier1, M Gajardo, J Olavarria

  • 1Department of Pathology, University of Chile, Santiago, Chile. alinossi@abello.dic.uchile.cl

Scanning Microscopy
|January 1, 1996
PubMed
Summary

Ancient human tartar reveals the presence of Streptococcus mutans, a key bacterium in tooth decay, across diverse prehistoric populations. Its occurrence varied, but could not be definitively linked to diet or subsistence patterns in most cases.

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Area of Science:

  • Paleomicrobiology
  • Dental Anthropology
  • Evolutionary Biology

Background:

  • Ancient dental calculus (tartar) preserves microbial life, offering insights into past oral microbiomes.
  • Previous research confirmed bacteria in ancient tartar, but specific pathogen presence and its ecological context remained unclear.