And when used under the dentist-supervised procedure, this form of bleaching is used as complemented by a special light or the laser. In many cases, in just one visit the expected results can be seen immediately. But if the intent is to get that dramatic results in the form of shiny white teeth, then the person will need a number of visits to the dentist. When it comes to professional services, there are also those services that are referred to as more specialized, which means that there are added special services for you. For example there are specialize whitening centers that are present in major cities. And these special centers will have dentists that will check first the oral condition of the person before the whitening treatment can be suggested or performed. While superficial stains and discoloration could be removed by prophylactic cleaning and brushing, there are stains that are a little more stubborn and could accumulate between the spaces of the tiny cracks in the tooth that would need bleaching to remove the stains. When the stains are not effectively removed and stays on the teeth for a period of time, this could penetrate deeper into the dentin which could require more involved methods. Besides, the results, no matter how diligently done, will never equal to in-office whitening where the procedure is conducted and is professionally supervised by a dentist. All cosmetic enhancements are subjective to the person. While companies are aiming to give superior results every time and is continuously working at providing such, customers could sometimes fall on the side the unsatisfied. 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. And the use of the gels is complemented through the use of the lasers to facilitate the whitening process. You can consider this option as one of the most expensive solutions towards white teeth. If you have brown or gray teeth, then bleaching will not be as effective as you will expect. When shopping for this product, do keep in mind that the crowns, the fillings and the veneers will not be affected by the whitening action of the paste. Complement the use of the whitening toothpaste with the services of professional teeth cleaner.