Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/88587
Type: Artigo de periódico
Title: Effect Of Dental Bleaching After Bracket Bonding And Debonding Using Three Different Adhesive Systems
Author: Gomes L.O.
Mathias P.
Rizzo P.
de Araujo T.M.
Cangussu M.C.T.
Abstract: To evaluate the influence of bonding and debonding of orthodontic brackets on dental in-home bleaching, taking into account three different adhesive systems. Methods: Forty-four bovine incisors were divided into four groups according to the primer system used for orthodontic bracket bonding. Following the debonding of orthodontic brackets, the teeth were stored in staining solution for 96 hours. Then, teeth were whitened using 10% carbamide peroxide for two weeks at a 6-hour-a-day regime. Standardized digital photographs were taken at the following intervals: T0 (initial); T1 (after debonding); T2 (after pigmentation); T3, T4 and T5 representing 1, 7, and 14 days of bleaching. Repeatability and stability tests were carried out to check the method accuracy. Images were analyzed using Adobe Photoshop 7.0 software considering (L*a*b*)color coordinate values and a modified color difference total (ΔE'). Results: The results of this study (ANOVA and Tukey; p < 0.01) demonstrated that after 7 days of bleaching, experimental groups showed significantly less teeth whitening compared to the control group. However, there were no significant color differences between the groups after 14 days, according to values of lightness (L*). Conclusions: Regardless of the adhesive primer system applied, bonding and debonding of orthodontic brackets alters the outcome of tooth whitening in the first 7 days of bleaching, however it has no influence on the whitening of the dental structure after 14 days of in-home dental bleaching with 10% carbamide peroxide. © 2013 Dental Press Journal of Orthodontics.
Editor: 
Rights: aberto
Identifier DOI: 10.1590/S2176-94512013000200015
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84883008583&partnerID=40&md5=f265166a59c6a9a5ef0e65f9869e4f34
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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