ACTON, Australia, Sept. 30 (UPI) --Scientists believe a 400 million-year-old fish fossil holds clues to the evolutionary origins of human teeth. Upon excavation, it wasn't clear whether the ancient ...

Using an atomic-scale imaging tool on a sea creature's tooth, two Northwestern University researchers have peeled away some of the mystery of organic and inorganic interfaces in tooth and bone ...

A study finds an early mammaliaform displaying tooth anatomy that gives insight into the development of structures such as complex molars and multiple roots. One evolutionary milestone in the ...

Our teeth are put to the test every day, withstanding all the crunching and munching of meals and snacks. This remarkable resilience appears to be due to the microscopic "basket-weave" structure of ...

Most people start off adulthood with 32 teeth, not including the wisdom teeth. There are four types of teeth, and each plays an important role in how you eat, drink, and speak. Read on to learn more ...