Let's investigate... A TikToker said she used a nail file to grind down her teeth, which is why she no longer has "American Girl doll teeth." "I used a nail file on my teeth when I was 14 so I no ...

But when she turned 14, she picked up the nail file once again because she "didn't like how pronounced" her front teeth looked, as they reminded her of "American Girl doll teeth." Thankfully ...