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., ...

Up until recently, I was pretty happy with my teeth. Were they picture perfect and snowy white? Not quite—but I was pleased enough with their appearance (especially considering I didn’t have braces as ...

While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide suffering from some form of edentulism, a.k.a. toothlessness. Now, Japanese ...

You may associate braces with the (painfully) awkward middle school experience, but they’re not just for preteens. Adults, too, can reap the teeth-shifting benefits of this orthodontic treatment, and ...