Saber-toothed tigers may have had two sets of their famous fangs for a period of their adolescence, fossil evidence reveals. One species of these ancient and extinct cats, famed for their large and ...

Shark teeth are also disposable – they are constantly replaced throughout their lives, like a conveyor belt pushing a new ...

Like most mammals, humans are diphyodont: We have two sets of teeth – baby teeth and adult teeth. The technical term for our baby teeth is deciduous teeth because they fall out, the same way deciduous ...

When you consider animals that have a lot of teeth, sharks are likely to be the first ones that come to mind, since they can grow and shed thousands o.