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Some side affects can be noticed.At home treatment include the same whitening gels and the use of a tray. Teeth also lose whiteness due to age. Natural discoloration of the tooth is always treatable. It is recommended that people continue to treat their teeth in order to maintain their desired whiteness. The peroxide penetrates the enamel and eventually whitens the dentin layer of the tooth. Some people will require more or less treatment depending on the level of stain.The results of tooth whitening can last for several months. The results are very noticeable, but usually fade a little within a few days.Overall, tooth whitening products are safe. The peroxide will not whiten false teeth, or any other restorative materials.

The carbamide peroxide breaks down in the mouth to form hydrogen peroxide. Women who are pregnant or lactating, people with allergies to peroxide and people with open mouth sores or cuts should not use the whitening treatments.There are two common methods of tooth whitening. Sensitivity is usually temporary and is not permanent. If irritation persists, it is recommended that people use the treatment less frequently or a lower concentration of the gel is recommended. As people get older the mineral structure in their teeth change and the enamel becomes more porous. Typically carbamide peroxide is used. But the the whiteness will fade faster with consumption of staining products.Tooth whitening treatment is not recommended to all people. Teeth become stained over time due to the exposure to tobacco, coffee's, cream jar tea's, soda's and other staining products. The desire to own a beautiful white smile has made these treatments one of the most popular cosmetic treatments. In office whitening is usually performed by a dentist and utilizes a chair- side blue LED lamp.

There is no set amount of time for people to use this treatment. As long as consumers take the proper precautions, they can expect to see a new whiter smile with these treatments. Gum and teeth sensitivity can result due to the use of the whitening gels. The dentist applies a high concentration of the oxidizing agent for about an hour. However, some stains can take longer to whiten.The length of time to whiten the tooth is affected by many factors. The concentration can range from 12% to 35%. Hydrogen peroxide can be used as well. The peroxide is applied to the tray and placed in the mouth covering the teeth for 30 minutes to an hour. They are available over the counter, at the dentist or online.The procedures utilize oxidation agents such as carbamide peroxide and hydrogen peroxide. Tooth whitening, also known as teeth whitening or bleaching is the process of bleaching natural staining of the teeth. 12% hydrogen peroxide compares to 35% carbamide peroxide.