Plaque On 1000-Year-Old Human Teeth To Reveal Secrets Of Medieval Diet And Disease
Hardened plaque discovered on the teeth of 1,000-year-old human skeletons has revealed the world's oldest case of gum disease.
Feb 24, 2014 01:36 PM EST
To discover the lifestyles of our past ancestors, studying plaque will be more important than teeth, researchers from the University of York, along with Swiss and Danish colleagues, said. (Photo : REUTERS)