You may want to investigate other options in this case, like porcelain veneers or dental bonding. Reade Griffith takes a slightly different approach. What teeth whitening methods are available to me? All whitening products contain peroxide either as carbamide peroxide (CP) or hydrogen peroxide (HP). Peroxide dissolves organic stains on the teeth to change color and produce a bleaching effect. There are four types of peroxide containing tooth whitening products available: * In practice products are applied by a dental professional. These products contain a high percentage of CP or HP and apply directly to the teeth. Some activated by heat, light or laser.
This may be the product for you if you're in a hurry for whiter teeth and no tooth sensitivity. For very dark-colored teeth, the whitening process can be accelerated in two or three hours followed by a take-home product to the desired target. * A take home products under the supervision of a dentist is the most popular whitening method. These products contain a lower percentage of CP or HP than in practice and the products are used in a tray overnight or during the day at home. A custom fitted tray is made to keep the product directly against the teeth whitening, while the days, effective for 6 months. * Over-the-counter whitening toothpastes contain a small percentage of HP, CP, or polishing ingredients. The toothpastes are effective in keeping teeth clean and white looking but some can be very abrasive. The abrasive wear hard enamel with repeated use gradually yellowing teeth.