Millions of people whiten their teeth to improve their appearance having been inspired by seeing a photograph of some model or celebrity. In many cases the first place people start is by buying an over the counter product and are often frustrated or disappointed with the results. These products fail because research has shown the degree of internal stain within the tooth is largely unaffected by these materials. Successful results will be determined by the concentration of the active ingredient and the amount of time that ingredient has to breakdown the large stain molecules within the tooth.
People in their teens and twenties can benefit from an over the counter product since their teeth have little stain. However most people will need a more intense approach since their stain consists of large stain molecules that only be broken down by a more intense approach through the use of customized whitening trays and in some cases an combination of customized trays and in office treatments.
Single visit office whitening procedures regardless of materials or external sources such as lights or lasers do work however many people have inconsistent results and may not last very long.
The best result can only be achieved by consulting a dentist who can customize a whitening process based on individual circumstances. Whitening is a process and does require monthly maintenance once you have achieved you goals.
Before and after pictures using KOR in office whitening