Chinese researchers used cells generated from urine to build structures that resemble human teeth. Eventually, they hope that human stem cells could provide the basis for a tooth bud that could be transplanted into the jaw of the patient.
For the current experiment, published in the journal Cell Regeneration , the researchers transplanted stem cells into mice and were able to grow "teeth" that have many of the qualities of human teeth: elasticity, pulp, dentin and enamel-forming cells, according to Medical News Today .
There are some limitations: the new structures are only about a third as hard as human teeth, and the success rate is just 30%. The researchers hope that using human cells instead of mouse cells will resolve those issues, and that it will be the next step "toward the final dream of total regeneration of human teeth for clinical therapy," they wrote. Plus, if the patient's own cells are used, the risk of rejection by the body is negated. Read more...
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