A pioneering dental medicine project in Japan is making strides toward clinical trials, with the aim of becoming the world's first tooth-regrowing treatment, according to the country's national news site Mainichi. The upcoming trial will be focused on patients affected by anodontia, a genetic condit...
The title is misleading from what it actually stated in the article.
It seems that it is mostly aimed at persons who are missing teeth that did not grow at all. By giving this medicine they would have more of the teeth most people have.
The title would suggest that it would allow growing teeth back that have been lost. This could theoretically be a further extent of this research, but it is not what the article seems to describe.