leaving behind intrinsic stains. This means the stains can’t be removed just by removing what’s on the surface.” How long ...

There are three primary categories of teeth discoloration: extrinsic, intrinsic, and age-related stains. Extrinsic stains affect the outer enamel layer of the tooth and are typically caused by ...

Teeth whitening can become genuinely addictive ... Understanding the cause of your tooth discoloration also matters. Intrinsic stains from medications, trauma, or developmental issues respond ...