Fossils of tiny, jawless marine animals reveal tooth structures sharper than sharks or steel, forcing scientists to rethink ...

Animals with the most teeth: Sharks are probably the first animal that comes to mind when you think of one with a lot of teeth, but some of the world's toothiest animals aren't even predators. Nature ...

Can we examine the teeth of living fish and other vertebrates in detail, repeatedly over time, without harming them? Previously, small animals often had to be euthanized to obtain precise information, ...

A CT scan of the tooth-like odontode structure from Astrapsis, an ancient jawless vertebrate fish shows that its tubules (shown in green) are filled with dentine, which also serves as the sensitive ...

A pediatric dentist and an anthropologist explain how baby teeth and adult teeth help humans chomp their food over a long ...

Can we examine the teeth of living fish and other vertebrates in detail, repeatedly over time, without harming them? Previously, small animals often had to be euthanized to obtain precise information, ...

A new analysis of one of the most bizarre-looking fossils ever discovered has definitively sorted its head from its tail, and turned up a previously unknown ring of teeth, which could help answer some ...

In nature, teeth are considered to be synonymous with survival-hunting, defence, or consuming. However, numerous animals have adapted to be toothless. These toothless wonders resort to innovative ...