Teeth bleaching is the most coarse teeth whitening method.
Crowning is determined a professional teeth whitening exercise, because so much of the customary tooth is pared away to make place for the crown. This, however is not a beloved teeth whitening medicine as too much of the customary tooth is lost. Thus the most coarse way to whiten teeth for cosmetic reasons is straight through teeth bleaching.
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This works well in about 75 per cent of cases, and tends to work best on yellowed teeth. It is also keen to note that cosmetic dentists tend to consolidate their efforts on the upper teeth, rather than the lowest set. This is because the lower set of teeth is more hidden, and is overshadowed both by the upper teeth, and by the lower lip in most cases.
This doesn't mean you can't have both sets bleached, in which case it's advisable to do the lower teeth after the bleaching process is perfect for the upper set, so that you can match the color more accurately.
To bleach your teeth, your dentist first separates the teeth being bleached with a thin rubber 'dam', much as one masks the windows, door handles and other accessories on a car when re-spraying it. Then he coats the exterior exterior of the tooth with an oxidizing agent, and exposes it to heat and light for about half an hour.
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