Teeth Whitening: The process wherein the color of the teeth is lightened is called as tooth whitening. There are various reasons for teeth getting discolored. The main causes are stains of tea, tobacco, coffee, antibiotics etc. These can be removed by tooth whitening. People who have sensitive teeth should not use teeth whitening. People with sensitive teeth would have more problems if they use teeth whitening solutions. There are many tooth whitening treatments available, some of them are: 1) Bleaching kits: Tooth bleaching solution is applied to the mouth tray and it is inserted into the mouth. After an hour or two or as mentioned in the kit the tray is removed. Most of them work for an hour. The solution contains peroxide, which bleaches the enamel. The carbamide peroxide content in the solution is normally of ten, sixteen or twenty two percent. Some bleach is used twice a day for two weeks while others are used overnight for 1-2 weeks.
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