What Causes Teeth to Discolor?

There are many circumstances that can cause teeth to discolor. Stains that affect the tooth enamel only are extrinsic and can be corrected.  Discoloration that is embedded in the tooth is intrinsic and can’t be easily whitened. Here are several reasons why teeth stain: Foods/drinks: Coffee, tea, colas, wines, and certain fruits and vegetables. Tobacco use: Smoking…