Research groups around the world are working to find ways to implant or grow real biological teeth in a human jaw.

Tooth loss affects millions around the world, caused by decay, gum disease, injuries, and some diseases. Missing teeth do more than make it hard to chew or talk. They also impact appearance and ...

Teeth are probably one of the first things that come to mind when you imagine a T-Rex. But now experts say that unlike the film Jurassic park, where the tyrannosaurus' toothy grin is ever-present, the ...