Is it true that your tooth shape and other things may dictate how ... for instance, should choose a different time of day such as in the morning or after lunch, the ADA said.

But shark teeth come in many shapes and sizes. They can tell us how these ... One of the reasons sharks have been so successful is that they have exploited different ecosystems and eaten different ...

Using 3D-printed steel tooth replicas in a series of biting experiments and advanced computer simulations, they analyzed the shape and performance of 95 different carnivorous mammal teeth ...