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This is about the possibility (or lack thereof) for a person to re-grow a new "permanent tooth" or set of teeth, to replace the teeth that grew after their milk teeth fell out.

I had earlier seen some anecdotal evidence on the internet that this would have happened to some people.

Anyway, what I wanted to ask is if there is any scientific evidence (e.g. properly recorded unusual medical phenomena) that shows that a person has grown a tooth (or a set of teeth) to replace their permanent teeth?

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  • $\begingroup$ Hello. Can you please link to your sources? $\endgroup$
    – Remi.b
    Jan 10, 2015 at 16:27
  • $\begingroup$ I think this question would be more on-topic on skeptics.SE. Someone who grows a new set of teeth after seing an UFO sounds quite obviously like some kind of a stupid fake story. $\endgroup$
    – Remi.b
    Jan 10, 2015 at 16:27
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    $\begingroup$ My question is not because of the anecdotal evidence (I am not asking anyone to validate the anecdotal evidence). This question could stand on its own without the references to the anecdotal evidence and I have not been able to locate those sources. $\endgroup$
    – x457812
    Jan 10, 2015 at 16:36
  • $\begingroup$ I made some edits to this that removed the voodoo to make it more of a stem cell and development based question $\endgroup$
    – rhill45
    Jan 10, 2015 at 17:57
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    $\begingroup$ @rhill45, it is better without the voodoo. Thank you! $\endgroup$
    – x457812
    Jan 10, 2015 at 18:12

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There are legitimate case reports in credited journals of hyperdontia, or the condition of having supernumerary teeth. Such cases are often associated with congenital syndromes-- cleft lip and palate, trichorhinophalangeal syndrome, cleidocranial dysplasia, and Gardner's syndrome. I included a case report and a comprehensive review for you below.

Case Report from American Journal of Orthodontic Dentofacial Orthopedics, 2011.

Comprehensive Review from Journal of Oral Science, 2014.

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  • $\begingroup$ Googling images of this is always a fun weekday evening past-time... $\endgroup$
    – theforestecologist ♦
    Jan 26, 2016 at 3:29

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