Also known commonly as Bleaching. It refers to the restoration of normal color to a tooth by decolorizing the stain present, with the help of bleaching agents.
Bleaching is advised in the following cases:
- Aesthetic (cosmetic purpose) or in the case of yellow teeth.
- Stained teeth/ Discoloured teeth.
The teeth may be stained due to the following reasons:
- Trauma to a tooth by a fall/blow resulting in direct impact to the nerve causes decomposition of pulp (nerve) tissue which results in discoloration of the tooth.
- Medicament like tetracycline group of antibiotics tends to stains teeth.
- Following root canal treatment.
- Extrinsic stains (due to tobacco, coffee, tea, smoking, etc.)
Bleaching agents used are:
- Superoxol (30% Hydrogen Peroxide)
- Sodium perborate
- Carbamide peroxide 20%
Types of bleaching:
The procedure is done in the dental clinic by the dentist. It is a single sitting procedure wherein the desired result is immediate.
Office assisted or Home Bleaching:
The procedure is simple, painless, and can be done at home by the patient himself with the help of Bleaching trays (custom made) which are provided along with the bleaching agent to the patient. Relevant instructions are given.
The patient uses the bleaching agent overnight. With constant monitoring, the bleaching is generally completed in 3-4 sessions. (10-15 days).