What is teeth whitening? Teeth whitening, also called bleaching, is a process of lightening and removing stains from a tooth. This process bleaches the enamel and dentin, the principal mass of a tooth, and brightens the discolored teeth. What are the different methods of teeth whitening? Some of the teeth whitening options are over-the-counter whitening systems; dentist dispensed at-home products, laser tooth whitening method; Loaded Tray Teeth Whitening method and in-office whitening methods. Are the whitening effects permanent? Whitening effects…