Take-Home Tooth Whitening

By Malinda Dice-Shah, DDS

Malinda Dice-Shah, DDS

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Take-Home Tooth Whitening

What Should You
Ask Your Dentist?
You may want to start by speaking with your dentist. He or she can tell you whether whitening procedures would be effective for you. Whiteners may not correct all types of discoloration. For example, yellow-ish hued teeth will probably bleach well, brownish-colored teeth may bleach less well, and grayish-hued teeth may not bleach well at all. Likewise, bleaching may not enhance your smile if you have had bonding or tooth-colored fillings placed in your front teeth. The whitener will not affect the color of these materials, and they will stand out in your newly whitened smile. In these cases, you may want to investigate other options, like porcelain veneers or dental bonding.
What Is Take-Home Whitening?
There are several types of products available for use at home, which can either be dispensed by your dentist or purchased over-the-counter.
Bleaching solutions from your dentist. These products contain peroxide(s), which actually bleach the tooth enamel. These products typically rely on percent carbamide peroxide as the bleaching agent, carbamide peroxide comes in several different concentrations (10%, 16%, 22%).
Peroxide-containing whiteners typically come in a gel and are placed in a custom mouthguard. Usage regimens vary. Some products are used for about twice a day for two weeks. If you obtain the bleaching solution from your dentist, he or she can make a custom-fitted mouthguard for you that will fit your teeth precisely.
You also may want to speak with your dentist should any side effects become bothersome. For example, teeth can become sensitive during the period when you are using the bleaching solution. In many cases, this sensitivity is temporary and should lessen once the treatment is finished. Some people also experience soft tissue irritation either from a tray that doesnt fit properly or from solution that may come in contact with the tissues. If you have concerns about such side effects, you should discuss them with your dentist.