What causes yellow teeth?

Have you ever wondered why teeth sometimes turn yellow?  Here is a great article that explains many of the factors that cause yellowing teeth.  Professional teeth whitening at Keowee Smiles can make a noticeable difference in the appearance of your teeth.  Give us a call today to schedule an appointment and get FREE whitening with a new comprehensive exam and cleaning!

http://www.livescience.com/44191-why-do-teeth-turn-yellow.html