Brushing Your Teeth with a Toothpaste Sandwich

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Every time you squirt minty toothpaste onto the synthetic bristles of a toothbrush and scrub them back and forth across your teeth, a question burns in your brain: Could a toothpaste sandwich brush your teeth just as well instead? You’re doing virtually the same thing ancestors thousands of years ago did with sticks and tooth powders. Yours just tastes better, so why not turn it into a food?

This question has come up on r/askreddit more than once, so people actually want to know. And the honest answer is... well, yes, you probably can brush your teeth with a toothpaste sandwich, with a few conditions.

Dental health has made tremendous progress over centuries, but at the same time, it’s been variations on virtually the same themes. It’s good that we don’t whiten our teeth with urine or sulfuric acid anymore, though. We've come a long way from crude, ground up ox hooves and gnawing on frayed twigs.

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