The effect of viscosity and activation mode on biaxial flexure strength and modulus of dual resin cements

Marina Di Francescantonio, Frederick Rueggeberg, Cesar Augusto Galvão Arrais, Glaucia Maria Bovi Ambrosano, Marcelo Giannini

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Purpose: The aim of this study was to evaluate the effects of curing mode and viscosity on the biaxial flexural strength (FS) and modulus (FM) of dual resin cements. Methods: Eight experimental groups were created (n=12) according to the dual-cured resin cements (Nexus 2/Kerr Corp. and Variolink II/IvoclarVivadent), curing modes (dual or self-cure), and viscosities (low and high). Forty-eight cement discs of each product (0.5 mm thick by 6.0 mm diameter) were fabricated. Half specimens were light - activated for 40 seconds and half were allowed to self-cure. After 10 days, the biaxial flexure test was performed using a universal testing machine (1.27 mm/min, Instron 5844). Data were statistically analyzed by three-way ANOVA and Tukey's test (5%). Results: Light-activation increased FS and FM of resin cements at both viscosities in comparison with self-curing mode. The high viscosity version of light-activated resin cements exhibited higher FS than low viscosity versions. The viscosity of resin and the type of cement did not influence the FM. Light-activation of dual-polymerizing resin cements provided higher FS and FM for both resin cements and viscosities. Conclusion: The use of different resin cements with different viscosities may change the biomechanical behavior of these luting materials. Copyright:

Original languageEnglish (US)
Pages (from-to)147-151
Number of pages5
JournalRevista Odonto Ciencia
Volume27
Issue number2
StatePublished - Oct 1 2012

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Resin Cements
Viscosity
Light
Dual Cement
Analysis of Variance

Keywords

  • Dual cure resin cement
  • Materials testing
  • Viscosity

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Di Francescantonio, M., Rueggeberg, F., Arrais, C. A. G., Ambrosano, G. M. B., & Giannini, M. (2012). The effect of viscosity and activation mode on biaxial flexure strength and modulus of dual resin cements. Revista Odonto Ciencia, 27(2), 147-151.

The effect of viscosity and activation mode on biaxial flexure strength and modulus of dual resin cements. / Di Francescantonio, Marina; Rueggeberg, Frederick; Arrais, Cesar Augusto Galvão; Ambrosano, Glaucia Maria Bovi; Giannini, Marcelo.

In: Revista Odonto Ciencia, Vol. 27, No. 2, 01.10.2012, p. 147-151.

Research output: Contribution to journalArticle

Di Francescantonio, M, Rueggeberg, F, Arrais, CAG, Ambrosano, GMB & Giannini, M 2012, 'The effect of viscosity and activation mode on biaxial flexure strength and modulus of dual resin cements', Revista Odonto Ciencia, vol. 27, no. 2, pp. 147-151.
Di Francescantonio, Marina ; Rueggeberg, Frederick ; Arrais, Cesar Augusto Galvão ; Ambrosano, Glaucia Maria Bovi ; Giannini, Marcelo. / The effect of viscosity and activation mode on biaxial flexure strength and modulus of dual resin cements. In: Revista Odonto Ciencia. 2012 ; Vol. 27, No. 2. pp. 147-151.
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