While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide ...

For more than a century, dentistry has focused on repairing or replacing damaged teeth, not growing new ones. That assumption ...

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 ...