Dentists use high concentrations of chemicals. This greatly lowers the risk of damage to your gums and teeth should the strips be applied incorrectly or for too long. Home whitening strips, such as Crest’s, use low concentrations of chemicals. What’s the difference between Crest Whitestrips and professional dental whitening?Ī. However, they can’t remove all stains - those caused by enamel damage or some medications are essentially permanent. Stains like those caused by coffee, tea, wine and smoking are the most commonly removed, but stains caused by aging can also be treated. Like all teeth-whitening strips, Crest Whitestrips work by using chemicals - namely peroxides like carbamide or hydrogen - to eat away at the stains on your tooth enamel. Just remember, you need two strips for each round of treatment.Ĭrest Whitestrips FAQ How do Crest Whitestrips work?Ī.
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