Open Wide: Things You Didn’t Know About Your Mouth
“Who smiles more, men or women? And which sex has a longer tongue? Get the answers to these questions, plus other interesting facts, about your teeth, lips, and gums…”
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When you think about it, there are many things we take for granted when it comes to understanding the human mouth. It is surprisingly complex, extremely useful, and makes a critical contribution to how well we feel and how we look.