Zoom Teeth Whitening System - White Teeth FAQ.   What is an example of tooth whitening? Tooth whitening can use a laser or special light to activate a high concentration (often 25 percent) of hydrogen peroxide on the teeth. Once the gel is broken down, the oxygen floats out stains from microscopic spaces called tubules in the enamel and dentin. The tooth’s structure remains unchanged. that lightens discoloration and removes stains from the enamel and dentin of the teeth. Nite White, Day White, and Zoom! Take-Home use a mild solution retained in a custom filled appliance that is worn over your teeth while you sleep or during the day. Why can only a Dentist get my teeth their whitest? You can only get Nite White and Day White from your dentist. Prior to beginning treatment, your dentist will examine you to determine whether you have any untreated cavities, tooth decay, or unhealthy teeth. Then, a custom-fitted tray is made by taking an impression of your teeth, which gives you a personalized tray and allows you to achieve optimum results. What causes tooth discoloration? There are many causes. The most common include aging, consumption of staining substances (coffee, teas, colas, tobacco), trauma, tetracycline (antibiotic) staining, excessive fluoride, and nerve degeneration. Who may benefit from tooth whitening? Almost anyone. However there are some cases where the treatment may not be effective. A dentist will determine a viable candidate for the process through a thorough oral examination and diagnosis. Tooth-lightening is ideal for patients who have healthy, unrestored teeth and would like to have a whiter, brighter smile. Can I bleach while I'm pregnant or lactating? To date, there has been no testing done on the effects of using a professional tooth-whitening system while pregnant or lactating. Therefore, we do not recommend that you use Nite White or Day White if you are pregnant or lactating. Why aren't my teeth whitening evenly? Sometimes the biting edges and the sides of the teeth whiten more quickly than the rest of the teeth. This occurs because your enamel is thinner in these areas and responds faster to the whitening process. As you continue to use Nite White or Day White, the rest of your teeth will catch up and the color will even out. Is the process safe? Yes! research and clinical studies indicate that whitening teeth with carbamide peroxide and/or hydrogen peroxide under the supervision of a dentist is safe for teeth and gums. In fact, many dentists consider this whitening process the safest cosmetic procedure available today.