Dental bleaching, also known as tooth whitening, is a common procedure ingeneral dentistry but most especially in the field of cosmetic dentistry. 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 become stained by bacterial pigments, foodstuffs and tobacco.
There are many methods to whiten teeth: bleaching strips, bleaching pen, bleaching gel, laser bleaching, and natural bleaching.
There are several types of products available for use at home, which can either be dispensed by your dentist or purchased over-the-counter.
Bleaching solutions. These products contain peroxide(s), which bleach the tooth enamel itself. These products generally rely on carbamide peroxide as the bleaching agent, carbamide peroxide comes in various concentrations (10%, 16%, 22%).
Peroxide-containing whiteners typically are in a gel form and are placed in a mouthguard. Usage regimens vary. Some products are used for about twice a day for 2 weeks, and others are intended for overnight use for 1-2 weeks. If you obtain the bleaching solution from your dentist, he or she can make a custom mouthguard for you that will precisely fit your teeth.
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