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Recent studies, however, are showing, that tray teeth whitening may still be the best and most efficient way to significantly improve your smile. Tray whitening kits are generally less expensive than in-office procedures on how to get white teeth, and because either you or your dentist may choose the strength of the hydrogen peroxide solution used, there’s more control over results and less chance of side-effects.

Well, take note that tray whitening kits are prescribed by dentists or purchased directly over the counter or online. If your dentist prescribes a kit for you, chances are good it will involve the creation of custom fit mouth trays.