So what is teeth whitening really all about? The following report includes some fascinating information about teeth whitening–info you can use, not just the old stuff they used to tell you.
Tooth bleaching, also known as teeth 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...
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