For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

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 ...

Meat eating animals have teeth like this, for slicing and ripping. You should try giving him a steak. Carnivores and herbivores have different types of teeth, to suit the type of food they eat.

Stem cells are handy because they can morph into different cells when needed. Like tooth stem cells to build new teeth. Humans have these stem cells when we're younger. But after our adult teeth ...

As with sex, both the skull and the bones hold clues to this question. The teeth are very useful for determining the age of a child. The stages at which different teeth erupt from the gums are well ...

A dental implant is a permanent tooth replacement in which a titanium post is placed into the jawbone and capped with a crown or artificial tooth. Implants can take different forms. Dental ...