There is little doubt that a professional dental whitening system is very expensive. Some of the procedures cost more than $1000 and may require more than one visit to the dentist. Most people, unless their teeth are very stained, elect to use a home tooth bleaching system, such as Crest White Strips or other home kits that lighten the color of the teeth.

If you are curious as to how the whitening kits work, then today is your lucky day. Keep reading and you will get a clearer perspective on having a brighter smile and you may even save yourself a costly visit to a cosmetic dentist.

Once upon a time, the dental whitening system worked through the use of a plastic tray and bleaching gel. The contraption was molded to each individual’s mouth and the tray, after filling it with the special whitening gel, was left in overnight. Unfortunately, the gel lost its effectiveness after a few hours and there was also irritation to the gums and throat from the substance being in the mouth for such a prolonged period of time.

Kits such as Crest White Strips got rid of the requirement of such cumbersome equipment and the bleach no longer needs to be left on all night. The strips are put on the teeth and remain there for fifteen to twenty minutes, twice each day.

However, because most people brush their teeth immediately before retiring for the night, and do not have anything else to eat or drink until the morning, there are now strips which can be left on the surface of the teeth for a longer duration.

Equate kits can be purchased at Wal-Mart on general sale to the public and are more often than not just as good as the brand named varieties. If you are in doubt about the quality of the kit, check out the active ingredients and you are likely to find they are the probably the same as those such as Crest White Strips, so you can buy the cheaper kit and save even more money.

If you have previously had problems with the enamel on your teeth, a dental whitening system is probably not suitable for you. The gel has been known to cause sensitivity and pain and in some cases allergic reactions may occur as a result of using this kind of gel.

The majority of adults do not have problems with using the whitening kits and you may not either. You can always talk with your dentist about a tooth whitening product that he or she recommends based on your dental history.

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