Humans have been obsessed with the aesthetics of their smiles for millennia. From ancient cultures bleaching their teeth with various concoctions to modern smile makeovers, people love to create beautiful smiles. But who decides what a beautiful smile is? Well, scientists of course! Using polls, tests, and research data, they have honed in on the traits of great smiles.
If you want to learn about these traits and how they add up to a gorgeous grin, continue reading.
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