When children lose their baby teeth, there is an adult set already growing beneath the gums, ready to emerge. But if we lose our permanent teeth, there aren't any more waiting in the wings. Right now, ...

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 ...

You only get 52 teeth in your lifetime: 20 baby teeth, followed by 32 adult teeth. It's not like that for all animals. Some, like rodents, never replace their teeth. Others, like sharks, keep ...

Baby teeth, officially called primary teeth, typically begin their journey into the world when infants reach around six months of age. That first tiny tooth breaking through the gums marks an exciting ...

(The Conversation) – 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 ...