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After successful animal trials, human trials to begin for tooth regrowth drug
(www.theregister.com)
this post was submitted on 27 May 2024
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Important to note that the initial form of this treatment is to trigger the growth of teeth that failed to grow in the first place, at least last I read about it. An important first step, but for now it may be dependent on there being an existing "tooth bud" down in the jaw to get going.
I suspect that in the long run we'll need to figure out how to implant a new tooth bud, probably made using the patient's stem cells, to grow replacements for teeth that have been lost later in life.
Doing this from memory, but I think there was a paper a few years back proposing using stem cells in an implanted calcium lattice. Basically an artificial implant that would grow into an actual rooted tooth.