Many ancient human teeth, including specimens tens of thousands of years old, still hold onto tiny pieces of food -- and even bacteria. Anthropologists are studying the tartar attached to ancient ...

Most dentists recommend a proper teeth cleaning every six months to prevent, among other things, the implacable buildup of calculus or tartar -- hardened dental plaque. Routine calculus buildup can ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. There are over 600 different microbial species living in distinct ...

Claudio Ottoni does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Learn more about a new technology that is turning ancient teeth into one of archaeology’s most powerful tools.

Editor’s Note: Christina Warinner is a research assistant at the Center for Evolutionary Medicine at the University of Zürich, Switzerland and will be a research associate at the Molecular ...

The remains in question range from about 5,500 to 1,000 years old and were discovered at several burial sites in Trentino and South Tyrol. Of the 20 individuals examined, 18 exhibited oral diseases, ...

In a pitch-black rainforest with fluttering moths and crawling centipedes, Christina Warinner dug up her first skeleton. Well, technically it was a full skeleton plus two headless ones, all seated and ...

Medically reviewed by Edmund Khoo, DDS Key Takeaways Calcium deposits on teeth, known as tartar, need to be removed by a ...