>>1441745This
Also, compare the types of foods humans eat today with the types of foods humans would have ate at that point in time.
Unless you've taken some serious measures with your dietary intake - 3/4 of what you eat is processed foods, and in nearly all processed foods there is sugar. It's literally part of the reason why diabetes is the biggest epidemic in the world at this point.
>tldr; brush your teeth, a bit of toothpaste won't hurt. 