Scientists have grown rudimentary teeth out of the most unlikely of sources, human urine. The results, published in Cell Regeneration Journal, showed that urine could be used as a source of stem cells that in turn could be grown into tiny tooth-like structures.
The team from China hopes the technique could be developed into a way of replacing lost teeth. Other stem cell researchers caution that that goal faces many challenges.Teams of researchers around the world are looking for ways of growing new teeth to replace those lost with age and poor dental hygiene. Stem cells - the master cells which can grow into any type of tissue - are a popular area of research.
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