How did people maintain their teeth before toothpaste?
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My mom grew up in a small South American country. They used bristly-edged plants kinda like toothbrushes. No toothpaste. My mother & her siblings all have very good teeth – never a cavity, never even a bit of discoloration.
That’s cuz good teeth are selected for through evolution. If you didn’t have good teeth, you died young from tooth infections. It was a common cause of death in the past, and continues to be in some parts of the world.
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