Understand what causes tooth discoloration—and find out the real color of naturally white teeth (the answer may surprise you).
Top 6 Reasons Your Teeth Are Yellow
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![](https://www.listerine.com.ph/sites/listerine_ph/files/taco-images/meme12.jpg)
6 Things That Stain Your Teeth
ASC reference numbers: ASC NO. J097P082719L
ASC reference numbers: ASC NO. J097P082719L