While a temporary tooth may be sparkling white, the teeth replacing it may be not. As a person grows older, the teeth darken in shade, no matter how healthy and no matter how clean. But a clean white and shiny teeth is so important, very much so that even in ancient times royalties and people who can afford it applies whitening powder to their teeth even when it has proven to accelerate teeth rotting. You can consider this option as one of the most expensive solutions towards white teeth. You will need to have at most four treatments to get the results that you want, and each treatment will cost you at least $600. Of all these options available, what could be best for your needs? In the end, the budget and your convenience will serve as the two primary factors in shopping for teeth whitening solutions. But there are some sectors that question the efficacy of whitening rinses in making the teeth whiter. The reason for this may lie in the amount of time that the water enriched with peroxide is in contact with the teeth. For the rinse, the peroxide is in contact with the teeth for 2 minutes a day. Contrast this with the contact that happens with the teeth and the peroxide for strips, where the strips need to be attached to the teeth for as much as 30 minutes! Laser teeth whitening procedure This is how the process works. The dentist will begin with the minor cleaning procedure which will include the removal of existing plaque in the gum line. Once cleaned, a gel fortified with peroxide is then applied to the targeted teeth. This gel in question contains peroxide in just the right quantity that can ensure that the teeth will whiten. Several repetitions of this and the teeth become as white as its original color. Since over the counter teeth whitening trays are milder, it would take longer and more treatments but it would also prevent gum irritation and tooth sensitivity. Another popular concern is whether bleaches weaken the enamel of the tooth. When it is just a simple teeth bleaching program, especially with those who have yellowed teeth only, other alternatives works just a fine. One of the primary considerations aside from time is the cost. While over the counter whitening strips would only cost around $100, in-office whitening averages $650 upwards and take home trays around $400.