2016
DOI: 10.1590/0103-6440201600757
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Effect of Two Antioxidants Agents on Microtensile Bond Strength to Bleached Enamel

Abstract: This in vitro study evaluated the effect of sodium bicarbonate and sodium ascorbate on the microtensile bond strength of an etch-and-rinse system to bleached bovine enamel. Sixty bovine enamel blocks (4x4 mm) were flattened and randomly allocated into 5 groups: G1 (negative control): without treatment; G2 (positive control): bleached with 35% hydrogen peroxide (HP); G3: bleached and stored for 7 days in artificial saliva before restorative procedures; G4: bleached and treated with 10% sodium bicarbonate soluti… Show more

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Cited by 13 publications
(29 citation statements)
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“…This treatment is considered relatively safe, effective and easy to perform [1]. Although tooth whitening is an effective treatment, adverse effects can be observed in the teeth, such as a reduction in the bond strength of restorations performed immediately after bleaching [2], increased enamel surface roughness [3] and morphological and structural alterations in the enamel [4] and dentin [5].…”
Section: O R I G I N a L A R T I C L Ementioning
confidence: 99%
“…This treatment is considered relatively safe, effective and easy to perform [1]. Although tooth whitening is an effective treatment, adverse effects can be observed in the teeth, such as a reduction in the bond strength of restorations performed immediately after bleaching [2], increased enamel surface roughness [3] and morphological and structural alterations in the enamel [4] and dentin [5].…”
Section: O R I G I N a L A R T I C L Ementioning
confidence: 99%
“…Diante da redução da resistência de união das restaurações adesivas realizadas em dentes recém-clareados, algumas estratégias vêm sendo estudadas com o intuito de reduzir o tempo de espera após o clareamento, dentre as quais destacam-se a aplicação de soluções antioxidantes (LAI et al, 2001;TURKUN, 2003;KOGA;BORGES, 2006;MURAGUCHI et al, 2007;SASAKI;FLÓRIO;BASTING, 2009;GARRIDO, 2011;GARCIA et al, 2012;TOSTES et al, 2013;BERGER et al, 2013;ALENCAR et al, 2016 MURAGUCHI et al, 2007;SASAKI;FLÓRIO;BASTING, 2009;GARCIA et al, 2012;TOSTES et al, 2013;BERGER et al, 2013;ALENCAR et al, 2016 meses, a solução de bicarbonato de sódio 10% conseguiu manter sua efetividade na resistência de união aos dentes clareados.…”
Section: Potencial Antioxidante Das Soluções Aplicadas Em Dentes Clarunclassified
“…Alguns autores afirmam que este procedimento altera a superfície do esmalte enquanto outros defendem a ideia de que o oxigênio residual da reação de clareamento interfere na adesão ao substrato (COTTON;WILKINSON, 1972;SMITH, 1988;HEYMANN, 1991;DISHMAN;COVEY;BAUGHAN, 1994;GREGUS;KLAASSEN, 1995;MURAGUCHI et al, 2007;MINOUX;SERFATY, 2008;SULIEMAN, 2008;BITTENCOURT et al, 2010;BRISO et al, 2012). Levando em consideração a segunda hipótese, algumas estratégias vêm sendo estudadas com o intuito de remover o oxigênio residual precocemente e melhorar a adesão em dentes clareados, dentre as quais destacam-se as substâncias antioxidantes (LAI et al, 2001;TURKUN, 2003;KOGA;BORGES, 2006;MURAGUCHI et al, 2007;SASAKI;FLÓRIO;BASTING, 2009;GARRIDO, 2011;GARCIA et al, 2012;TOSTES et al, 2013;BERGER et al, 2013;ALENCAR et al, 2016;KAVITHA et. al, 2016).…”
Section: Grau De Conversão Avaliado Por Espectroscopia Micro-ramanunclassified
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