Almost all dentists have similar opinions about tray whitening procedure for whitening of teeth. They acknowledge that it is a fast, safe, and predictable way to whiten stained teeth in a matter of few days. In this procedure, a whitening gel is placed in a tray that fits over your teeth. The active carbamide peroxide in the gel is broken down and it allows oxygen to enter the enamel. Finally, that oxygen bleaches the colored substances. Here the structure of the tooth remains unchanged only the tooth is made lighter and whiter. This procedure can be done at your home when your dentist designs mouth tray for you.

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