some fruitarians brush their teeth (I did, and had tooth problems
anyway), others do not. One of the dumber claims in the raw movement is:
"animals don't brush their teeth, why should I?".  The answer is that
if you don't, you will eventually suffer dental problems.

As for toothpaste, some rawists use salt, baking soda, nothing (plain
water), or herbal toothpaste/powder.

Tom Billings