A large Swedish study found even, smooth tooth color mattered more than extreme whiteness; stains or spots drew harsher ...

Have you ever wondered if slugs can smile — or if they even have teeth? Their smooth bodies and simple appearance might ...

The megalodon, considered one of, if not the largest marine predator to ever live, had enormous teeth, some approaching nearly 8 inches in length. Now a new study states that the giant shark spent ...

Wisdom teeth typically affect young people between the ages of 17 and 25. A wisdom tooth is a third molar in the back of the mouth. Some people have no issues when their third set of molars appears. ‌ ...

Editor’s Note: Our readers responded strongly to this story when it originally ran; we’re reposting it here in case you missed it. Flights are generally memorable because they go so well or so poorly ...