Changes to the bacterial balance in the mouth can trigger inflammation and other harmful effects in the body.
Articles on Dental plaque
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Scraping or scrubbing will help prevent bacteria build-up and improve your breath. And knowing what a healthy tongue looks like can help you spot early signs of disease, including cancer.
People once used tooth powders made from crushed bone or shells to whiten their teeth. Others rinsed their mouth out with pee. Yuck!
Oral hygiene is often neglected but research has shown that abnormal bacterial communities in the mouth can cause serious disease.
20 years ago, who could predict how much more researchers would know today about the human past – let alone what they could learn from a thimble of dirt, a scrape of dental plaque, or satellites in space.
Top contributors
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Associate Professor, Cape Peninsula University of Technology
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PhD in Biomedical Science (Microbiology), Cape Peninsula University of Technology
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Associate Professor of Anthropology, Rice University
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Curator of Human Evolution of the Cleveland Museum of Natural History and Research Assistant Professor of Anthropology, Stony Brook University (The State University of New York)
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DVC Academic and Research, Sefako Makgatho Health Sciences University
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Professor and Head of Discipline - Oral Health, University of Newcastle
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Senior Lecturer and General Dentist, School of Dentistry, The University of Queensland