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 ...

The origin of teeth in the evolutionary mystery of the world’s animal timeline is very much a mystery. We know animals haven’t had teeth since the dawn of time, but what we don’t know exactly when ...

Scientists have deciphered the structure and functional mechanism of the glucansucrase enzyme that is responsible for dental plaque sticking to teeth. This knowledge will stimulate the identification ...

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 ...

In a clever use of GPS technology, biologists have "mapped" the topography of bat teeth as if they were uncharted mountain ranges, in order to better understand how toothy ridges, peaks and valleys ...

AT A CLINIC at the University of California, San Francisco, dentists in training hone their "drill-and-fill" skills for treating patients with cavities. But in a lab across the hall from the clinic, a ...