Smile & alignment
Teeth Whitening
Understand bleaching options, likely limitations and sensitivity.

What it does
Peroxide-based whitening lightens stains in natural teeth. It does not change the shade of existing crowns, veneers or fillings.
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How tooth whitening works
American Dental Association
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An ADA dentist explains bleaching and compares whitening approaches used at home and in a dental office.
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What usually happens
The sequence and number of visits depend on the individual case.
Assess the color
Discuss the cause of discoloration and whether whitening is likely to help.
Choose an approach
Compare office treatment, dentist-provided home trays and suitable over-the-counter products.
Follow directions
Use the selected product only as directed.
Review
Discuss sensitivity and whether existing restorations now look different.
Benefits, limits & trade-offs
Sensitivity and gum irritation can occur. Some discoloration responds poorly; more whitening is not always the solution.
Watch & explore further
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Questions for your dentist
- Will my type of discoloration respond?
- Will whitening leave a mismatch with my restorations?
- What should I do if sensitivity develops?
Take the next step
Look for offices offering this care
Search for teeth whitening in your area, then confirm the service with the office.
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Before you book
- Confirm that the office offers the specific procedure or technology you want to discuss.
- Ask who performs the treatment and about their relevant training and experience.
- Discuss whether it suits your situation, alternatives, the total fee and follow-up care.