Pigs can regrow their adult teeth. What if humans could, too?

Pigs can regrow their adult teeth. What if humans could, too?

When children lose their baby teeth, there is an adult set already growing beneath the gums, ready to emerge. But if we lose our permanent teeth, there aren't any more waiting in the wings. Right now, the options for replacing these lost teeth are either dentures or titanium implants, neither of which provide the same function and feedback as a real, living tooth.