Influence of adhesive and thermal cycling on the bond strength of ceramic brackets to dental ceramic

Authors

  • Patricia de Fátima Fraga Universidade Federal de Alfenas
  • Ana Paula Terossi de Godoi Universidade de São Paulo
  • Ana Rosa Costa Universidade Estadual de Campinas
  • Lourenço Correr-Sobrinho Universidade Estadual de Campinas
  • Mario Vedovello Filho Fundação Hérminio Ometto UNIARARAS
  • Heloisa Cristina Valdrighi Fundação Hérminio Ometto UNIARARAS

DOI:

https://doi.org/10.20396/bjos.v15i2.8648779

Keywords:

Shear strength. Adhesives. Ceramics.

Abstract

Aim: This in vitro study investigated the effect of the application of an adhesive, silane and thermal cycling (TC) on the shear bond strength (SBS) of ceramic brackets to feldspathic ceramic. Methods: 16 cylinders of feldspathic ceramic were etched with hydrofluoric acid and divided into four groups (n=4): G1 - silane, without TC; G2 – silane, with TC; G3 - adhesive, without TC; G4 - adhesive, with TC. One layer of silane was applied on the surface of cylinders in G1 and G2 e one layer of photo-activated adhesive Single Bond Universal was used in G3 and G4. Ceramic brackets were bonded using Transbond XT. The SBS data were subjected to two-way ANOVA and Tukey’s post hoc test (α=0.05). The Adhesive Remnant Index (ARI) was evaluated at 40× magnification. Results: Silane was more effective than adhesive on the SBS of the brackets to ceramic (p<0.05). TC decreased significantly the SBS values compared with the groups without TC (p<0.05). The ARI results showed predominance of score 0. Conclusions: Groups with silane showed higher SBS than groups with adhesive. TC influence significantly on the bond strength. Regarding ARI, score 0 predominated in all groups.

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Author Biographies

Patricia de Fátima Fraga, Universidade Federal de Alfenas

Possui graduação em Odontologia pela Universidade Federal de Alfenas. Tem experiência na área de Odontologia, com ênfase em Ortodontia.

Ana Paula Terossi de Godoi, Universidade de São Paulo

Formou-se em Odontologia pela Universidade de São Paulo, é doutora e mestre em Reabilitação Oral pela Universidade de São Paulo. Especialista em prótese dental (pelo CFO e pela AORP - 2016). Pesquisadora da Universidade de São Paulo. Professora contratada do Centro Universitário Hermínio Ometto, nas disciplinas de Prótese Total, Prótese Parcial Removível, Prótese Parcial Fixa, Clínica Odontológica Integrada e Anatomia Dental e Oclusão, além de atuar como professora orientadora na pós-graduação da mesma faculdade na área de Ortodontia.

Ana Rosa Costa, Universidade Estadual de Campinas

Possui graduação em Odontologia pela Universidade Metropolitana de Santos, mestrado em Materiais Dentários pela Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas e doutorado em Materiais Dentários na Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas, com período de estágio de doutoramento no College of Dentistry. The University of Tennessee, Health Science Center. Atualmente é pós-doutoranda em Materiais Dentários pela Faculdade de Odontologia de Piracicaba, Universidade Estadual de Campinas e Professora Permanente da Pós-Graduação em Materiais Dentários.

Lourenço Correr-Sobrinho, Universidade Estadual de Campinas

Possui graduação em Odontologia pela Universidade Estadual de Campinas, mestrado em Materiais Dentários pela Universidade Estadual de Campinas e doutorado em Odontologia (Reabilitação Oral) pela Universidade de São Paulo. Atualmente é professor titular da Universidade Estadual de Campinas (UNICAMP).

Mario Vedovello Filho, Fundação Hérminio Ometto UNIARARAS

Possui Graduação em Odontologia pela Pontifícia Universidade Católica de Campinas - Puccamp (1969), Graduação em Medicina Dentária pela Universidade de Lisboa em Portugal (2001). Mestrado em Ortodontia pela Faculdade de Odontologia de Piracicaba Unicamp (1972) e Doutorado em Odontologia pela Universidade Federal do Rio de Janeiro (1990). Coordenador do Programa de Mestrado em Odontologia do Centro Universitário Herminio Ometto ? Uniararas em Araras, São Paulo. 

Heloisa Cristina Valdrighi, Fundação Hérminio Ometto UNIARARAS

Cirurgiã-dentista formada pela Pontifícia Universidade Católica de Campinas - Puccamp. Cursou Mestrado e Doutorado em Ortodontia na Universidade Estadual de Campinas (Faculdade de Odontologia de Piracicaba). Atualmente é Professora do Programa de Pós-graduação em Odontologia (área de concentração Ortodontia) da FHOIUniararas.

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Published

2017-04-20

How to Cite

1.
Fraga P de F, Godoi APT de, Costa AR, Correr-Sobrinho L, Vedovello Filho M, Valdrighi HC. Influence of adhesive and thermal cycling on the bond strength of ceramic brackets to dental ceramic. Braz. J. Oral Sci. [Internet]. 2017 Apr. 20 [cited 2022 Aug. 17];15(2):176-9. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8648779

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