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Scientists Create Teeth from Urine

BBC News reports on a study in which scientists have created teeth from the unlikely source of urine. Stem cells that were extracted from urine and harvested in the lab were injected into a mouse. After several weeks, the stem cells began to resemble tooth-like structures including “dental pulp, dentin, enamel space and enamel organ.” Opponents to the method believe that urine is a dangerous source of stem cells because there is a high risk of contamination from bacteria.

Read it in BBC News.

Read the study in Cell Regeneration.