Tooth whitening can be a very effective way of lightening the natural colour of your. They will then apply the whitening product to your teeth, using a specially. Your dentist will need to assess your teeth to make sure that you are suitable for .
Peroxide-containing bleaching agents. Carbamide peroxide, used in many bleaching products, breaks down into hydrogen peroxide and urea, with hydrogen peroxide being the active bleaching agent. A bleaching product containing 10 percent carbamide peroxide yields approximately 3.5 percent hydrogen peroxide.
The dentist will take an impression of your teeth to make a mouthguard and will instruct you how to use it with a bleaching gel. Then, using your mouthguard at .
This isn't to say it's less effective, if you do it right.. Over-the-counter whitening strips, for example, use just a slight amount of. But remember: just because a dentist is using a stronger whitening gel doesn't mean your teeth will get whiter.