Various whitening options are available to lighten your teeth safely and painlessly to give you a younger looking smile. ‘Zoom’ whitening can be used for a quicker result.Tooth whitening is the most commonly prescribed cosmetic procedure.
As a person ages the adult teeth often become darker due to changes in the mineral structure of the tooth as the enamel becomes less porous. Teeth can also stain from bacterial pigments, foodstuffs or tobacco.
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The procedure to whiten teeth uses oxidizing agents such as hydrogen peroxide and/or carbamide peroxide to lighten the shade of the tooth. This penetrates the porosities in the enamel and oxidizes internal stain deposits; over a period of time, the dentine layer lying underneath the enamel is also whitened. The effects of whitening can last for several months, but may be shortened by cigarette smoking, and tea and coffee consumption.
At-home whitening involves custom fitted whitening trays that hold a relatively low concentration of oxidizing agent next to the teeth for up to six hours a day for a period of 5 to 14 days. This is known as take-home bleaching. Results can vary, depending on which application is chosen, with some people achieving whiter teeth in a few days.
Teeth Whitening