Our adult teeth get damaged all the time, and yet the body has almost no way to repair them at all. A new treatment being developed in Japan could help replace missing teeth in the near future. The ToothIn the course of normal development, humans grow a set of baby teeth, followed by a set of adult or “permanent” teeth. The hope is that using an antibody to do this would then lead to the spontaneous development of healthy adult teeth. Right now, taking a pill or injection to regrow entire teeth seems like science fiction.