Why are my teeth more yellow than others?

Abnormal staining of teeth has two types: intrinsic (inside) and extrinsic (outside) of the tooth. The intrinsic (inside) are stains that are incorporated into the dental structure (enamel and dentin) and that cannot be removed by cleaning, toothpaste or polish. Some of the more common examples of intrinsic stains are those that are caused by […]