For sure not you and your group of friends; often a white teeth is not only for selfish and personal reasons. Everyone will agree that this can also help in social and professional relationships. So you cannot really fault those people who rush into having these procedures. And if you are rushing into having your own sessions with your favorite dentist or you know someone who is planning to, it's best to hit the brakes first. Additional application of fresh bleaching gel could be opted depending on the development of the treatment and how the teeth have whitened. The gel is then rinsed off or suctioned and the cheek retractor is removed. Immediately afterwards, the teeth will be several points lighter than its natural color. Some strips uses hydrogen peroxide but only with 6% strength where normal concentration ranges from 10 to 20%. Since carbamide peroxide is only half the strength of hydrogen peroxide, the visible effect will take about two weeks of continued use, much longer than bleaching trays that contains hydrogen peroxide and in-office treatments but because it is, teeth whitening strips is gentle and comfortable to even those with very sensitive teeth and gums. Expect to pay from $300 to $600 and this will include all the bleaching materials. What about laser whitening Laser whitening is done on the office or the clinic of the attending dentist. And in order to get the results, you may need to have one to four treatments. For this approach, gels are used and these gels do contain some peroxide-based formulations. However, no two sets of teeth are alike and may therefore react differently to different methods. No matter, it will always be safest to consult with a dentist before any teeth whitening are applied. This may cause a little inconvenience for a time but then it is always best and for the most part it is only a one time visit. For stubborn stains and uncomfortably dark shades in the teeth, self help may no longer suffice. Treatments could be done by a professional who could use custom bleaching trays, laser treatment, and in cases where discoloration is ugly, porcelain veneers could be applied including dental bonding. Although teeth whitening are only cosmetic, the reward it provides a person in terms of confidence and a general feeling good grooming and of well-being is enormous.