It is not entirely true that using bleaching agents containing such reduces the enamel of the teeth over time. If it does, it is actually very negligible and so does not have adverse effect on the tooth. Sure there could be, in some cases, mild irritation and tooth sensitivity during the initial stages but these usually are gone after a few days of treatment. Depending also on your condition, the concentration of carbamide peroxide in your bleaching tray could be lowered by your dentist to insure comfort as the teeth is being bleached. There are many cases where the staining is deep and for the meantime intractable. No amount of bleaching will be effective unless other procedures are conducted first. A protective rubber dam is them placed in the gum to protect it from irritation when the bleaching gel is applied. The bleaching gel is then applied to the teeth and then rinsed off after at least 15 minutes after which another application of the bleaching gel will be applied and kept in the mouth for approximately the same period of time. We consider all these options available for you, and we check their differences and the benefits that can be delivered to you. Options offered in supermarket and drugstores For those who want to take care of the problem themselves, the products offered at supermarkets and drugstores are the solutions. What's In Teeth Whitening Paste And What To Expect? What's the basis for the love for white teeth? Well it's all about looking good and feeling better. Because teeth yellow naturally as it age, a person naturally looks for ways on how to reverse that slide. The nice thing is that manufacturers and cosmetic producers and practitioners are all aware of these needs. Again not everyone suffers mouth and gum irritation. Uneven Teeth Coloration Mouth whitening and bleaches only affect the color of the teeth. What it does not bleach are crowns, veneers, restorations and other materials relative to tooth repairs. So while the teeth are becoming whiter with every application, those that are not retain its original color and results to uneven coloration.