Influence of the base and diluent monomer on network characteristics and mechanical properties of neat resin and composite materials

Nívea Regina de Godoy Fróes-Salgado, Vinícius Gajewski, Bárbara Pick Ornaghi, Carmem Pfeifer, Marcia Margarete Meier, Tathy Aparecida Xavier, Roberto Ruggiero Braga

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study evaluated the effect of the combination of two dimethacrylate-based monomers [bisphenol A diglycidyl dimethacrylate (BisGMA) or bisphenol A ethoxylated dimethacrylate (BisEMA)] with diluents either derived from ethylene glycol dimethacrylate (ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate, tetraethylene glycol dimethacrylate) or 1,10-decanediol dimethacrylate (D3MA) on network characteristics and mechanical properties of neat resin and composite materials. The degree of conversion, maximum rate of polymerization and water sorption/solubility of unfilled resins and the flexural strength and microhardness of composites (after 24 h storage in water and 3 months storage in a 75 vol% ethanol aqueous solution) were evaluated. Data were analyzed with two-way ANOVA and Tukey’s test (α = 0.05). The higher conversion and lower water sorption presented by BisEMA co-polymers resulted in greater resistance to degradation in ethanol compared with BisGMA-based materials. In general, conversion and mechanical properties were optimized with the use of long-chain dimethacrylate derivatives of ethylene glycol. D3MA rendered more hydrophobic materials, but with relatively low conversion and mechanical properties.

Original languageEnglish (US)
Pages (from-to)160-168
Number of pages9
JournalOdontology
Volume103
Issue number2
DOIs
StatePublished - Apr 12 2014

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Composite Resins
Water
Ethanol
Glycols
Polymerization
Solubility
Analysis of Variance
Polymers
2,2-di(4-methacryloxyphenyl)propane
ethylene dimethacrylate

Keywords

  • Composite
  • Degree of conversion
  • Mechanical property
  • Resin
  • Water sorption

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

de Godoy Fróes-Salgado, N. R., Gajewski, V., Ornaghi, B. P., Pfeifer, C., Meier, M. M., Xavier, T. A., & Braga, R. R. (2014). Influence of the base and diluent monomer on network characteristics and mechanical properties of neat resin and composite materials. Odontology, 103(2), 160-168. https://doi.org/10.1007/s10266-014-0153-6

Influence of the base and diluent monomer on network characteristics and mechanical properties of neat resin and composite materials. / de Godoy Fróes-Salgado, Nívea Regina; Gajewski, Vinícius; Ornaghi, Bárbara Pick; Pfeifer, Carmem; Meier, Marcia Margarete; Xavier, Tathy Aparecida; Braga, Roberto Ruggiero.

In: Odontology, Vol. 103, No. 2, 12.04.2014, p. 160-168.

Research output: Contribution to journalArticle

de Godoy Fróes-Salgado, NR, Gajewski, V, Ornaghi, BP, Pfeifer, C, Meier, MM, Xavier, TA & Braga, RR 2014, 'Influence of the base and diluent monomer on network characteristics and mechanical properties of neat resin and composite materials', Odontology, vol. 103, no. 2, pp. 160-168. https://doi.org/10.1007/s10266-014-0153-6
de Godoy Fróes-Salgado, Nívea Regina ; Gajewski, Vinícius ; Ornaghi, Bárbara Pick ; Pfeifer, Carmem ; Meier, Marcia Margarete ; Xavier, Tathy Aparecida ; Braga, Roberto Ruggiero. / Influence of the base and diluent monomer on network characteristics and mechanical properties of neat resin and composite materials. In: Odontology. 2014 ; Vol. 103, No. 2. pp. 160-168.
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