Teeth Whitening
Source: American Dental Association Teeth Whitening products contain peroxide(s), which actually bleach the tooth enamel. These products typically rely on percent carbamide peroxide as the bleaching agent, carbamide peroxide comes in several different concentrations (10%, 16%, 22%). Peroxide-containing whiteners typically come in a gel and are placed in a mouthguard. Usage regimens vary. Some products are used for about twice…