Add Yahoo as a preferred source to see more of our stories on Google. Two teeth from a man who lived approximately 4,000 years ago have been discovered to have an abundance of bacteria that primarily ...

3-D printing is already in our bones, our houses, our cars and even our sex toys. Now, it's coming for our teeth to save us from dentists' drills and needles. Researchers from the University of ...

Bacteria that eat sugar and release cavity-causing acid onto teeth may soon be made dramatically more vulnerable to their own acid. Researchers have identified key genes and proteins that, if ...

Scientists using nanotechology have created the first cavity-filling composite that kills harmful bacteria and regenerates tooth structure lost to bacterial decay. This first-of-a-kind nanocomposite ...

(CNN) — Two teeth from a man who lived approximately 4,000 years ago have been discovered to have an abundance of bacteria that primarily cause tooth decay and gum disease. The rare find could help ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two teeth from a ...