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., ...

A fervor for reshaping young mouths has taken hold in orthodontics. What purpose does it really serve?

And the surprisingly simple ways to avoid them. From the moment that first baby tooth emerges, your child’s dental journey begins. Both their baby and adult teeth need proper care to ensure they last ...