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Assessing the effects of hydrogen peroxide bleaching agent on the shear bond strength of orthodontic brackets.
Andrighetto, Augusto Ricardo; de Leão Withers, Eduardo Henrique; Grando, Karlos Giovani; Ambrosio, Aldrieli Regina; Shimizu, Roberto Hideo; Melo, Ana Cláudia.
Afiliación
  • Andrighetto AR; Department of Orthodontics, Latin American Institute of Dental Research and Education, Curitiba, Paraná, Brazil.
  • de Leão Withers EH; Department of Orthodontics, Latin American Institute of Dental Research and Education, Curitiba, Paraná, Brazil.
  • Grando KG; Department of Orthodontics, Latin American Institute of Dental Research and Education, Curitiba, Paraná, Brazil.
  • Ambrosio AR; Department of Orthodontics, University of São Paulo State (UNESP), Araraquara, São Paulo, Brazil.
  • Shimizu RH; Department of Orthodontics, Latin American Institute of Dental Research and Education, Curitiba, Paraná, Brazil.
  • Melo AC; Department of Orthodontics, Latin American Institute of Dental Research and Education, Curitiba, Paraná, Brazil.
Indian J Dent Res ; 27(4): 410-414, 2016.
Article en En | MEDLINE | ID: mdl-27723639
BACKGROUND: Tooth bleaching is, today, one of the most widespread cosmetic treatments in dental practice,  so it is important to determine whether it can interfere with orthodontic bonding or not. AIM: The aim of this study was to assess the in vitro effects of 35% hydrogen peroxide bleaching agent on the shear bond strength of orthodontic brackets. MATERIALS AND METHODS: Forty-five upper bicuspids were divided into three groups (n = 15). In the control Group (C), the brackets were bonded without previous bleaching treatment. Group 1 (G1) was treated with 35% hydrogen peroxide bleaching agent 24 h before bracket bonding. Group 2 was also bleached, and the brackets were bonded after 30 days. The shear bond strength of the brackets was measured using an EMIC machine, and the results were analyzed by ANOVA. RESULTS: There were no statistically significant differences between the three groups (P > 0.05), with Group C showing a mean bond strength of 9.72 ± 2.63 MPa, G1 of 8.09 ± 2.63 MPa, and G2 of 11.15 ± 4.42 MPa. CONCLUSION: It was possible to conclude that 35% hydrogen peroxide bleaching agent does not affect the shear strength of orthodontic brackets bonded 24 h and 30 days after bleaching.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Recubrimiento Dental Adhesivo / Soportes Ortodóncicos / Blanqueadores / Peróxido de Hidrógeno Límite: Humans Idioma: En Revista: Indian J Dent Res Asunto de la revista: ODONTOLOGIA Año: 2016 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: India
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Recubrimiento Dental Adhesivo / Soportes Ortodóncicos / Blanqueadores / Peróxido de Hidrógeno Límite: Humans Idioma: En Revista: Indian J Dent Res Asunto de la revista: ODONTOLOGIA Año: 2016 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: India