"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all want brighter, whiter teeth — and we want them now. But professional teeth whitening can be ...

Did you know that smiling can enhance your mood? That’s because it signals pathways in your brain that impact the way you feel. So, you can trick your brain into entering a joyful state by smiling!

Researchers at King's College London are investigating the evolution and development of dentition, which may reveal why humans and mammals only develop one or two sets of teeth in their lifetime ...

An curved arrow pointing right. Dr. Sami Shahhal is a restorative dentist located in Southern California. He shows us how he restores three different teeth with common problems. These are a broken ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SPONSORED – Troy Family Dental provides ...

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., ...