7 Teeth-Whitening Treatments
Coffee and red wine are foods that are notorious for staining teeth. What works best to whiten teeth?
Some whitening methods work better than others. Whitening pens and gels will only be effective if they contain hydrogen peroxide and remain in contact with the tooth surface for 15 to 30 minutes. Whitening strips are very effective and are worn for 30 minutes each day. Professional whitening (by a dentist) is optimally effective.
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