Potty Mouth: Chinese Researchers Make Teeth From Urine

... teeth if they use human mesenchymal stem cells as opposed to mouse cells. The controversial nature of stem cell research, however, could make it difficult for the team to move forward in this regard. Additionally, Pei and team say they could ...

http://www.redorbit.com/news/science/1112909912/stem-cells-in-urine-may-one-day-grow-human-teeth-073013/