And others naturally have extra teeth, known as hyperdontia. Our different types of teeth help us cut, tear, mash, and grind our food, making it easier to swallow. Here’s what you need to know ...

Tooth surfaces are then modeled as landscapes ... leaving sharp edges where the two tissue types meet at the surface. Thus, the distribution of enamel over the crown can literally sculpt the ...

Bats in the noctilionoid group, like Darwin’s finches, have evolved an impressive variety of jaw and tooth adaptations to suit their diverse diets. From fruit to fish, these bats have rapidly changed ...