Triggering a natural tooth regeneration on command could be possible in the future thanks to a new discovery made by researchers at the Biotechnology Center of the Technical University of Dresden (BIOTEC) concerning a group of stem cells.

Scientists at the German institute, along with several other colleagues, have in fact discovered a new population of mesenchymal stromal cells that could be useful to repair teeth. This is what researchers observed in some experiments on mice: these cells contributed to the regeneration of dentin, which is the hard and resistant tissue that underlies the structure of the tooth.

When the researchers activated these stem cells through a gene called Dlk1, a signal was activated that caused the cells of the dental tissue to increase or to decrease the number of cells produced.

For the moment the experiments have been carried out only on mice and therefore further research will be necessary to verify that what happened on the teeth of rodents can also occur on human teeth.

Alice Stevens

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