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No there was a whole study done by another guy who went around and he studied a native Africans who had not yet been introduced to the Western diet. And he found they all had perfectly straight teeth and no tooth problems at all. And it turns out it's the act of eating meat that does it. I forget whether it's something in the meat or just simply the strong chewing that is required but it's one or the other or maybe both but it actually ensures that your teeth remain healthy and they come in straight without braces.