Teeth bleaching is the most tasteless teeth whitening method.
Crowning is determined a professional teeth whitening exercise, because so much of the primary tooth is pared away to make place for the crown. This, any way is not a beloved teeth whitening treatment as too much of the primary tooth is lost. Thus the most tasteless 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 better on yellowed teeth. It is also keen to note that cosmetic dentists tend to concentrate their efforts on the upper teeth, rather than the bottom 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 complete 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 covering covering of the tooth with an oxidizing agent, and exposes it to heat and light for about half an hour.
