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.

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

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 ...

Some videos say that it’s as easy as chewing a nano-hydroxyapatite toothpaste tablet (“imagine a spot treatment for acne, but ...