Clinical Trials for Drug That Replaces Missing Teeth Underway

The drug doesn't replace teeth, it enables regrowth, or might. Discussions:

New drug to regenerate lost teeth (25 points, 7 months ago, 4 comments) https://news.ycombinator.com/item?id=40540852

Japan pharma startup to begin human trials of tooth regrowth drug in 2024 (260 points, 2023, 87 comments) https://news.ycombinator.com/item?id=37638956

Suppressing a gene by using its antibody can lead to tooth growth: animal study (236 points, 2021, 155 comments) https://news.ycombinator.com/item?id=26641989

> A confident Takahashi argues that the location of a new tooth in a mouth can be controlled, if not pinpointed, by the drug injection site.

IIRC there was some other (same?) technique which had a nightmare-fuel issue: It would promote all tooth growth even where you don't want it, so you kind of have to be starting with a blank slate...