Oral piercings can look very cool, but are they safe? Smiley piercing is a kind of controversial piercing. Read on to learn about the smiley piercing process, jewelry, aftercare, and more. A smiley ...
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What is on Alysa Liu's teeth? Explaining Olympian's 'smiley' piercings and how much they cost
Fans might notice something different about Liu's smile.
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