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All content by Courtesy of PLOS One and Nathaniel Helwig
Researchers at the University of Minnesota broke down a smile into different characteristics: mouth angle between the green and blue lines, smile width and

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Researchers at the University of Minnesota broke down a smile into different characteristics: mouth angle between the green and blue lines, smile width and "dental show" - the distance between the lower...

Researchers at the University of Minnesota surveyed Minnesota State Fair goers on different combinations of three smile characteristics to find a

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Researchers at the University of Minnesota surveyed Minnesota State Fair goers on different combinations of three smile characteristics to find a "successful smile."