Stone Age hunter-gatherers tackled their cavities with a sharp tool and tar

Tooth find adds to evidence that some form of dentistry has existed for at least 14,000 years

ancient tooth decay

DENTAL WORK  Seen from above in computer reconstructions, cavities in two human teeth dating to around 13,000 years ago contain signs of an ancient treatment for tooth decay. Marks on the inner walls of each cavity were made by a pointed stone tool used to remove infected tissue, researchers propose.

S. Benazzi

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