Tooth loss affects millions around the world, caused by decay, gum disease, injuries, and some diseases. Missing teeth do more than make it hard to chew or talk. They also impact appearance and ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

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 ...

There are specific conditions that need to be met for the drug to regrow teeth — it might not spontaneously grow new teeth in just any person who takes it. A rumor has circulated online since at least ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do people have two sets of teeth? – Ivy D., ...