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Summary:
Objective: to evaluate dental enamel surface alterations after bleaching treatments with Hydrogen
peroxide and Fluoride. Methods: Extracted pre-molars were analys under SEM after bleaching
treatment; the samples were storaged in saline solution. Two phases were made, without and with
fluoride application after bleaching treatment using Nitewhite® and Zoom2® as bleaching agents, the
shade was taken at baseline and after the bleaching procedure. Results: 36.6% of samples showed
moderate alterations and 32.9% showed severe enamel alterations. Post/treatment with fluoride showed
variable outcomes, but mild alterations in the fluoride/treated samples were found to be more
frequent, A statistically significant result was found among fluoride/treated and non/treated groups
after bleaching (P<0.005) chisquare test. In contrast, within fluoride/treated groups it was not
found significant differences. Conclusions: The use of high concentrated in/office carbamide
peroxide may require limited application sessions as recommended by the manufacturer. The use of
post/treatment fluoride may bring great benefit to patient’s dental hypersensitivity. Key words:
Carbamide Peroxide. Hydrogen Peroxide. Enamel roughness. Fluoride. Remineralization.

Adriana Cabrera, Universidad del Valle. Cali, Colombia.

Odontóloga

Melissa Madrid, Universidad del Valle. Cali, Colombia.

Odontóloga 

Luisa Pacheco, Universidad del Valle. Cali, Colombia.

Odontóloga.

Ana Suarez, Universidad del Valle. Cali, Colombia.

Odontóloga.

Herney Garzón, Universidad del Valle. Cali, Colombia.

Odontóloga.

Cabrera, A., Madrid, M., Pacheco, L., Suarez, A., & Garzón, H. (2008). Effect of hydrogen peroxide activated by ultraviolet light and carbamide peroxide in teeth bleaching. Revista Estomatología, 16(1). https://doi.org/10.25100/re.v16i1.5672