An innovative gel that forms a layer over teeth and then recruits calcium and phosphate ions from saliva to build new enamel has the potential to change dental treatment. To date, we don't have any way to regenerate the tough outer layer of enamel on our teeth as it erodes with age.
There was a new development in japan less than a year ago. Downside is all your teeth fall out and all regrow
I’m sorry, I thought you said there was a downside.
Tooth fairy isn’t unionized.