https://www.youtube.com/watch?v=C9_IALsfu-8
>>9233146
The point of toothpaste isn't just to be an abrasive, it's to get fluoride to your teeth. That's the hole reason they tell you to brush for two minutes. It's to keep the fluoride in contact for enough time, not because it actually takes two minutes to brush away plaque.
Nice try, hippie