The dentist usually applies a high-concentration bleaching gel on the surface of your discolored tooth. The bleaching gel usually contains hydrogen peroxide (10 to 40%). The more severe the stinging, the higher the concentration. The dentist then uses a special light or laser to activate the bleaching agent and whiten your teeth. You might need several sessions to completely whiten your teeth.
With tray-based whitening, the dentist fills a mouth guard-like tray with high-concentration bleaching gel. You’ll then have to wear this tray for 3 to 4 hours daily for about two weeks. It’s okay to wear them for an hour daily, but expect slower results. Patients can stop wearing the trays once the teeth achieve the right shade of white.
Whitening rinses are rinses like regular mouthwash that help remove plaque and prevent periodontal disease. However, these rinses also contain hydrogen and other peroxides that whiten teeth. All you have to do is swish around this rinse for about a minute daily until your teeth get your desired shade. This is the least effective teeth-whitening method.
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No, teeth whitening is a painless procedure that only takes a couple of hours at most. You won’t experience any pain during and after the procedure, eliminating the need for painkillers. Plus, if you’re scared of the dentist’s office, you can always ask your dentist to recommend take-home solutions for whitening your teeth.
Teeth whitening isn’t permanent and only lasts a couple of months. However, the results can last for several months to a few years with proper oral hygiene and maintenance, such as regular brushing and avoiding stain-causing foods and beverages.
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