Tooth discoloration is classified into three main types: extrinsic (surface), intrinsic (internal), and internalized (stains that have penetrated the tooth). Common causes include diet (coffee, tea), ...

There are many teeth-whitening systems and products, including whitening toothpastes, over-the-counter gels, rinses, strips, trays, and whitening products you get from a dentist. Teeth-whitening is ...

Laser teeth whitening is a bleaching procedure done in a dentist’s office. It ’s different from other teeth whitening methods, as the procedure involves a bleaching gel and laser. A laser is a beam of ...