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celo753 t1_jdqjj7a wrote

They didn't, and they didn't really need to.

You can still see it in tribal populations today. They don't care for their teeth at all, yet they've got perfect teeth, better than ours.

That's because their diet is very low on refined sugars, and composed mostly of fruits, vegetables and fish, with some occasional red meat.

It also reflects on their skin. They have smooth lively skin free of acne, despite not using any skin care products. That's also due to lower presence of sugars in their diet, and also because their culture doesn't drink alcohol.

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dusnik t1_jdqx0tp wrote

does that mean I don't need to brush afterwards having an apple?

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celo753 t1_jdqzd78 wrote

If all you eat is apples, sure. But you're probably having things like crackers, rice, sugary tea or coffee, eating bread, etc.

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The_Pale_Hound t1_jdtdaip wrote

But rice and bread didn't exist 10.000 years ago?

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celo753 t1_jdtgg2s wrote

They did in a few cultures. But most cultures were not consuming rice and bread 10.000 years ago.

The ones that did have sugary diets many thousands of years ago, like the egyptians, also happen to be the ones who practiced early forms of dental care.

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CharlieKoffing t1_jdr2sou wrote

It’s also because of UV light exposure helping with acne. I don’t think the sugar angle was proven.

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