The Pros and Cons of Whitening Trays
Teeth whitening trays are now available as a teeth whitening option either over-the-counter or in the dentist office. The trays are first molded to the teeth, after which they are filled with a gel, which contains hydrogen peroxide. They are then placed on the teeth, where they hold the hydrogen peroxide containing gel on the teeth for a period of time.
The most common over-the-counter whitening trays are Aquafresh White Trays. The gel in Aquafresh White Trays contains ten percent hydrogen peroxide.
In-office whitening gels can contain a higher percentage of hydrogen peroxide than their over-the-counter counterparts. In-office whitening trays are often given to the patient after a teeth whitening procedure (generally a laser teeth whitening procedure), and the patients are generally instructed to use them at home for a number of days to complete the whitening treatment.
The trays have features both better and worse than other teeth whitening products.
Whitening trays are better than whitening toothpastes, because the toothpastes do not contain the bleaching agent hydrogen peroxide, but instead contain only abrasive materials which are less effective.
Whitening mouthwashes fail in comparison to whitening trays as well, because they only expose the teeth to the hydrogen peroxide for a minute or less, while the trays hold it for a longer period, usually twenty minutes.
They are superior to the whitening strips products in that they coat the entire tooth. Whitening strips cannot get into the cracks and grooves between the teeth, since the strips lay on top of the set of teeth. Whitening trays, however, can do this.
Unfortunately, whitening trays come with their share of problems, too. Since they are filled with a gel, the placement of the product is more difficult to control. It is easy to have some of the gel get spilled into the mouth in unwanted areas, and it is easy to touch the gel to the gums.
Gel spilling into the mouth will leave an unpleasant taste, but that is the least of your worries. It will cause burning, which will lead to tooth and gum sensitivity. This sensitivity, however, is not permanent, and it will usually subside within twenty four to forty eight hours.
These trays will certainly whiten your teeth well, however. They do not leave spots out like the strips do; there is no “zebra” effect. If you are looking for a teeth whitening product that will be the most thorough, and you do not want to spend the money on a laser teeth whitening procedure, then white trays would be a good choice if it were not for their problem of easily burning mouth tissue. As it stands, they are not recommended for this reason.
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