Evaluation of bond strength of composite resin to enamel demineralized, exposed to remineralization and subjected to caries infiltration

Authors

  • Bruna Chrispim dos Reis Institute of Science and Technology – UNESP – Univ Estadual Paulista – School of Dentistry – Department of Restorative Dentistry – São José dos Campos – SP – Brazil.
  • Ana Julia Faria de Lacerda Institute of Science and Technology – UNESP – Univ Estadual Paulista – School of Dentistry – Department of Restorative Dentistry – São José dos Campos – SP – Brazil.
  • Taciana Marco Ferraz Canepele Institute of Science and Technology – UNESP – Univ Estadual Paulista – School of Dentistry – Department of Restorative Dentistry – São José dos Campos – SP – Brazil.
  • Alessandra Bühler Borges Institute of Science and Technology – UNESP – Univ Estadual Paulista – School of Dentistry – Department of Restorative Dentistry – São José dos Campos – SP – Brazil.
  • Karen Cristina Kazue Yui Institute of Science and Technology of UNESP – Univ. Estadual Paulista, Department of Restorative Dentistry, São José dos Campos, Brazil http://orcid.org/0000-0001-6929-8296
  • Carlos Rocha Gomes Torres Institute of Science and Technology – UNESP – Univ Estadual Paulista – School of Dentistry – Department of Restorative Dentistry – São José dos Campos – SP – Brazil.
  • Cesar Rogerio Pucci Institute of Science and Technology – UNESP – Univ Estadual Paulista – School of Dentistry – Department of Restorative Dentistry – São José dos Campos – SP – Brazil.

DOI:

https://doi.org/10.14295/bds.2016.v19i1.1212

Abstract

Objective: To evaluate the bond strength between resin composite and different enamel substrates: sound enamel; demineralized enamel submitted or not to remineralization; and demineralized enamel infiltrated with aninfiltrating resin. Material and Methods: 120 bovine teeth were selected, the root portion was removed and the enamel finished. Specimens were divided into the following groups: (A) Control (n=24): adhesively treated and restored; (B) (n=96): the samples were immersed in a demineralization solution to create white spot lesions and divided into four subgroups: (B1) demineralized enamel; (B2) samples were stored in artificial saliva (8 weeks); (B3) samples were stored in a 0.05% sodium fluoride solution (1 min day/8 weeks); (B4) samples were treated with an infiltrant resin (Icon, DMG). The groups were treated with one of the following adhesives: Clearfil S3 Bond Plus (Kuraray) or Single Bond Universal (3M ESPE), followed by the resin composite application (Filtek Z 350 XT, 3M ESPE). The specimens were submitted to thermalcycling aging (10,000 ×; 2±5ºC, 50±55ºC and 37°± 2°C). The specimens were sectioned into prism shapes with ~1mm² of base and submitted to microtensile test. The collected data were submitted to ANOVA and Tukey´s test (?= 5%). Results: The Means (±SD) in MPa were: Clearfill S3 Bond Plus: Control (17.17±3.52); B1 (11.60±0.74); B2 (6.83±1.87); B3 (8.38±1.59) and B4 (27.00±1.76); Single Bond Universal: Control (26.26±3.19); B1 (10.94±2.00); B2 (11.05±1.74); B3 (15.63±1.25) and B4 (22.60±2.29). Conclusion: The surface infiltrated with an infiltrating resin (Icon) did not negatively affect the bond strength between resin composite and enamel. The demineralized and remineralized groups with sodium fluoride and artificial saliva presented statistically lower results when compared to the other groups.

 

 

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Published

2016-03-07

How to Cite

1.
dos Reis BC, Lacerda AJF de, Canepele TMF, Borges AB, Yui KCK, Torres CRG, et al. Evaluation of bond strength of composite resin to enamel demineralized, exposed to remineralization and subjected to caries infiltration. BDS [Internet]. 2016 Mar. 7 [cited 2025 Aug. 21];19(1):48-54. Available from: https://bds.ict.unesp.br/index.php/cob/article/view/1212

Issue

Vol. 19 No. 1 (2016): Jan. - Mar. / 2016 - Published March 2016

Section

Clinical or Laboratorial Research

License

Brazilian Dental Science uses the Creative Commons (CC-BY 4.0) license, thus preserving the integrity of articles in an open access environment. The journal allows the author to retain publishing rights without restrictions.

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