Teeth whitening treatment is the new cosmetic craze to bring out a dazzling smile. An ADA approved gel containing a specific amount of bleaching agent is used for this kind of treatment with or without the use of laser lights.
There are several methods used for teeth whitening, but all of these methods use bleaching agents, with hydrogen peroxide base.
Professional or in-office teeth whitening treatment is performed by a licensed dentist in his office. In this type of treatment, the dentist uses a high concentration of the bleaching agent (hydrogen peroxide) under carefully controlled procedures. With the use of a specially fitted bleaching tray, the dentist applies the bleaching agent to the teeth, after painting a protective rubber dam to the gums. Generally the bleaching agent remains on the teeth for about 15-20 minutes interval. In-office teeth whitening treatments usually lasts for 30 to 90 minutes and may need 2 to 3 visits depending on the amount of discoloration and the amount of lightening desired. In some cases, the dentist may allow the patient to continue the treatment at home, with special instructions. In-office teeth whitening treatment produce the best results at the shortest time, usually within two weeks after treatment.
Another in-office method of teeth whitening involves the use of special light or a laser beam. After application of the bleaching agent to the teeth, a special kind of light that produces heat or a laser beam is directed towards the teeth to hasten the process of whitening process.
In-home whitening methods use two types of in-home whitening kits.
The professionally dispensed whitening kit is especially prepared for the patient by the licensed dentist. These kits are specific to the needs of the particular patient and include a lower concentration of hydrogen peroxide in the bleaching agent and a custom-made bleaching tray that is made to fit the patient’s teeth. Special instructions are given to the patient for the use of the take-home kits. Because the bleaching agent has lower concentration of hydrogen peroxide, it can be stay on the teeth using the bleaching tray for longer periods without any risks to the gums. It can be worn for several hours each day. This method of treatment can produce the best results over a longer period of time, usually about four weeks or longer.
Over the counter take home teeth whitening kits are the cheapest type of home-whitening kits. This kit includes the lowest concentration of hydrogen peroxide in the bleaching agent and a one size fits all bleaching tray. The bleaching tray may not fit all teeth properly and may cause abrasion or burning to the gums from seepage of the bleaching agent. This method is the most risky because of the absence of professional help and guidance. The instructions on the kit may not be fully understood by the user which increases the risk of side effects or damage. This method may not be as effective as the other methods and will take longer use to get some results.
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