Then again, yours truly uses toothpaste with nano-hydroxyapatite, which is touted as a non-toxic version of the same mineral that makes up teeth and bones. Skepticism abounds with that stuff ...

Boka / Grillos Like all Boka toothpastes, this cucumber dill-flavored toothpaste swaps fluoride for the brand’s key ...

The best toothpaste tablets What it's like to use ... clear of that ingredient for the time being. The bits contain nano-hydroxyapatite, a dentist-approved fluoride alternative.