Add Yahoo as a preferred source to see more of our stories on Google. A study out of Japan showed how targeting genes can regrow teeth in animals. Now, the team has turned to a human clinical trial.

Scientists are on the verge of a dental miracle.

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 ...