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Tooth bleaching, also known as tooth whitening, is a common procedure in general dentistry but most especially in the field of cosmetic dentistry. Many people consider white teeth to be an attractive feature of a smile. A child's deciduous teeth are generally whiter than the adult teeth that follow. As a person ages the adult teeth often increase in value--that is to say, they become darker. This darkening is 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.
As white teeth are subconsciously associated with youth, they have become desirable. This has been made more apparent with the spread of American culture worldwide, where an especially white smile is coined a "Hollywood smile." The procedure to bleach teeth uses oxidising agents such as hydrogen peroxide to lighten the shade of the tooth. The oxidising agent penetrates the porosities in the rod-like crystal structure of enamel and oxidises interprismatic stain deposits; over a period of time, the dentine layer, lying underneath the enamel, is also bleached.
There are two main methods of bleaching. The first involves applying a high concentration of oxidising agent for a short period of time, which is the so-called office bleach. This produces quick results but risks chemical burns to the soft tissues. Therefore, most in-office bleaching procedures use a light-cured protective layer that is carefully painted on the gums and papilla (the tips of the gums between the teeth). The bleaching agent is either carbamide peroxide, which breaks down in the mouth to form hydrogen peroxide, or hydrogen peroxide itself. The bleaching gel typically contains up to 35% hydrogen peroxide equivalent.
More on [ Tooth bleaching ]
Co Ltd - Offers Pearlie brand white tooth enamel that forms a cosmetic layer over tooth stains. Based in UK.
Meta Description: [ Pearlie teeth whitening results->instant teeth whitening tooth whitener product with no bleaching-UK Based Manufacturer of unique cosmetic teeth whitening products - Smile again with confidence. ]
All American Smile - Offers professional dental bleaching kits and selection of gels.
Meta Description: [ Teeth Whitening Systems, Exact dental products, and supplies from allamericansmile.com. ]
Bleach Pro Products - Offers complete teeth bleaching kits as well as gel, toothpaste, and trays.
Meta Description: [ Teeth whitening kit developed by dentists for fast dental whitening. ]
Britewhite - Selection of professional strength carbamide peroxide gels, systems and custom mouthpieces.
Meta Description: [ Research and buy professional teeth whitening gel systems used in cosmetic dentistry. Teeth bleaching gels with Carbamide Peroxide like Achromasia, Perfecta and Nupro-Gold that will achieve a britesmile and white teeth. ]
Dentech - Offers SoWhite complete whitening kit, touch-up gel and bleaching trays.
Meta Description: [ Get your teeth whitening products fast and easy through our simple order form ]
FastWhite - Marketing arm of OraTech, LC offers bleaching trays, gels, and toothpaste. [May not work in all browsers.]
Meta Description: [ Visit FastWhite.com to get FastWhite Tooth Whitening Products discounted direct from the manufacturer. FastWhite whitens your teeth safely, effectively, and FAST. ]
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Supersmile - Offers whitening toothpaste that does not contain bleach. Removes stains such as tobacco, coffee, and wine.
Meta Description: [ Supersmile is the number one tooth whitening toothpaste recommended by cosmetic dentists worldwide. Supersmile whitens stained yellow teeth and leaves the mouth feeling as clean as if you just came from the dentist. Learn about our teeth whitening bleaching kit and other products designed by Irw... ]
Supersmile - Provides an oral care line to remove tooth stains without bleaches or abrasives. Includes product information, news, studies and testimonials.
Meta Description: [ Supersmile is the number one tooth whitening toothpaste recommended by cosmetic dentists worldwide. Supersmile whitens stained yellow teeth and leaves the mouth feeling as clean as if you just came from the dentist. Learn about our teeth whitening bleaching kit and other products designed by Irw... ]
The Smile Place Ltd. - Offers a customized tooth whitening system without a visit to dentist. UK Based.
Meta Description: [ Give yourself a brighter, whiter smile without an expensive visit to the dentist, with The Smile Place Teeth Whitening System ]
Ultra-White Products - Features bleaching kits, touch-up gel, and mouthpieces.
Meta Description: [ Teeth whitening made simple, fast, and affordable. No other tooth whitening system is as fast or effective as Ultra-White. ]
