The whitening gel is placed in custom-fitted trays that fit perfectly over your teeth. As the peroxide in the gel breaks down, hydroxyradicals help whiten stained teeth. Unlike strips, this process whitens all your natural teeth and may contain ingredients intended to provide maximum comfort.
At home professional tray whitening generally takes 10-14 days, although you may notice results in as little as three to five days.
There are many over-the-counter teeth whitening options, and one type of readily accessible whitening product is commonly referred to as paint-on teeth whiteners.
Paint-on whiteners can be purchased over-the-counter and generally are less expensive and less effective than whitening strips or professional options. Paint-on teeth whiteners consist of a gel that is applied to the tooth using a small brush.
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