Normal adult humans have 32 teeth. Rarely, someone has a condition called hyperdontia where they have more than 32. This happens with around 1-2% of the population. Sometimes, those with hyperdontia ...

Off the bat, why don’t we do this already? To better understand what we’re up against in this toothy quest, Dr. Ophir Klein—a professor of orofacial sciences and pediatrics at the University of ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christina Nicholas, University of Illinois Chicago and David Avenetti, University of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you’re an adult human, odds are you already know a thing or two ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...