I remember seeing something similar a couple years ago, looks like it was in Japan: https://www.bitemagazine.com.au/japanese-researchers-test-pioneering-drug-t

I remember seeing something similar a couple years ago, looks like it was in Japan: https://www.bitemagazine.com.au/japanese-researchers-test-pioneering-drug-to-regrow-teeth/ https://www.bitemagazine.com.au/japanese-researchers-test-pi...