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But toothpastes are now rated numerically as to specific abrasiveness.

Ashes are not.

This could prove much more helpful to those who like to experiment and tinker than guessing games as to...

There is a real study showing the Abrasiveness Ratings of various toothpastes.

The first thing that jumps out at me is the rating for baking soda, which i use for general scrubbing-it's...