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![]() The effect of whitening agents on caries susceptibility of human enamel. ![]() The effects of seven carbamide peroxide bleaching agents on enamel microhardness over time. 1-5īasting RT, Rodrigues AL Jr, Serra MC. This unique feature prevents the teeth whitening gel from seeping out during treatment, ensuring both the gel and tray stay in place and work effectively for the duration of your treatment. Our original, patented formula contains PF (potassium nitrate and fluoride) for patient comfort and is sticky and viscous, so it stays where it’s placed. The active ingredients in Opalescence teeth whitening gels pass into your teeth to oxidize the discolored molecules deep down in your teeth, removing stains and whitening your smile. Whitening your teeth removes these stains and discolorations, giving you a whiter, brighter smile. Also, as we age, our enamel thins, causing more dentin to show through, making the overall appearance of the tooth look darker. Enamel can be discolored over time simply from age, but also from outside sources like coffee, tea, tobacco, and other foods and beverages. Enamel is thin and typically much lighter in color, while dentin is darker in color and makes up the bulk of the tooth. The outer layer of the tooth is enamel, and beneath the enamel is dentin. Teeth whitening is the removal of stains and discolorations from the enamel and dentin. How does Opalescence™ teeth whitening work?
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