Influence of curing protocols on water sorption and solubility of a self-adhesive resin-cement

Authors

  • Dilcele Silva Moreira Dziedzic Universidade Positivo
  • João Paulo Stanislovicz Prohny Universidade Federal do Rio Grande do Sul
  • Gledson Luiz Picharski Universidade Federal do Paraná
  • Adilson Yoshio Furuse Universidade de São Paulo

DOI:

https://doi.org/10.20396/bjos.v15i2.8648766

Keywords:

Resin cements. Solubility. Polymerization.

Abstract

Aim: To evaluate the effect of different activation protocols on the polymerization of a self-adhesive dual cured resin-based cement. Methods: Thirty disc-shaped specimens were prepared with the resin cement RelyX U200 (3M ESPE) and divided according to three protocols: immediate light-activation for 40 s, delayed light-activation (10 min after manipulation, for 40 s) or self-curing without light-activation. The specimens were desiccated, kept in water at 37 °C for 7 days and desiccated again to calculate water sorption, solubility and mass variation. Data were analyzed by Shapiro-Wilk Test and Wilcoxon tests (α=0.05). Images after the specimens’ final desiccation were also made. Results: The Wilcoxon test revealed a significant difference for sorption and mass variation (p<0.05) and the highest value was observed in self-curing or chemical activation group (CA), followed by delayed light-activation (DL) and immediate light-activation (IL). Besides the water sorption parameters, there were also microvoids on the discs from the delayed and no light-activation groups. Conclusions: The light-activation immediately after manipulation is recommended for the evaluated resin cement.

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Author Biographies

Dilcele Silva Moreira Dziedzic, Universidade Positivo

Possui graduação em Odontologia pela Universidade Federal de Alfenas e mestrado em Odontologia - University of Toronto. Atualmente é professora adjunto da Universidade Positivo. Tem experiência na área de Odontologia, com ênfase em Biomateriais, atuando principalmente nos seguintes temas: titânio, osteocondução, resposta óssea, PLGA e câmara de crescimento.

João Paulo Stanislovicz Prohny, Universidade Federal do Rio Grande do Sul

Graduação em Odontologia pela Universidade Positivo - UP. Mestrando em Odontologia com ênfase em Patologia Bucal pela Universidade Federal do Rio Grande do Sul - UFRGS. Experiência em Odontologia Clínica.

Gledson Luiz Picharski, Universidade Federal do Paraná

Possui graduação em Bacharelado em Estatística pela Universidade Federal do Paraná e curso-tecnico-profissionalizante em Tecnico em eletrônica pelo Colégio Técnico Industrial. Atualmente é Estatístico do Instituto de Pesquisa Pelé Pequeno Príncipe. Tem experiência na área de Probabilidade e Estatística, com ênfase em Estatística.

Adilson Yoshio Furuse, Universidade de São Paulo

Possui graduação em Graduação em Odontologia pela Faculdade de Odontologia de Bauru - USP, mestrado em Dentística pela Faculdade de Odontologia de Bauru - USP e doutorado em Dentística pela Faculdade de Odontologia de Bauru - USP.

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Published

2017-04-20

How to Cite

1.
Dziedzic DSM, Prohny JPS, Picharski GL, Furuse AY. Influence of curing protocols on water sorption and solubility of a self-adhesive resin-cement. Braz. J. Oral Sci. [Internet]. 2017 Apr. 20 [cited 2022 Aug. 12];15(2):144-50. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8648766

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