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How will I know if using teeth whitening strips was successful?

Your teeth should appear whiter and have fewer stains after using teeth whitening strips as directed. Studies show that teeth whitening strips can reduce yellowness in teeth and make them look a brighter shade when used properly. In one study, people who used teeth whitening strips for four weeks got better results than others who used the strips for two weeks. However, do not use teeth whitening strips for longer than recommended. If you are not happy with the results after using teeth whitening strips, talk to your dentist about other options for improving the appearance of your smile.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.