Researchers in Japan are testing a new drug that could allow people to regrow lost teeth naturally. Early human trials are ...

WASHINGTON — Ever wonder why sharks get several rows of teeth and people only get one? Some geneticists did, and their discovery could spur work to help adults one day grow new teeth when their own ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

Scientists created a new protein-based gel that can regenerate damaged tooth enamel The material mimics a natural process to regrow enamel mineral structure inside holes and cracks This technology ...