The researchers say that the products contain carbamide peroxide as a bleaching agent are biologically reliable, leaving the enamel (observed in scanning electron microscope) with intact and smooth surfaces.
Based on these data, the Food and Drug Administration has classified carbamide peroxide as “cosmetic agent”, by limiting the requests for testing and the use of a load of products containing it. This idea of the substantial safety of this substance for dental use. Under the supervision of an experienced dentist tooth bleaching gel with a basis of carbamide peroxide is safe and effective cosmetic treatment that can improve the aesthetics of the smile.