20 Things That Can Ruin Your Smile
Healthy teeth, healthy smile?
by Kristin Koch
Your smile is one of your best assets, so, of course, you want to keep it sparkling.
But even if you brush, use white strips, and visit your dentist twice a year, it may not be enough.
Here are some factors that can wreak havoc on your teeth and gums, and put a serious damper on your smile.
Next: Sports drinks
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