Microleakage and Interfacial Morphology of Self-Etching Adhesives in Class V Resin Composite Restorations

Raquel Osorio, Manuel Toledano, Guillermo De Leonardi, Franklin Tay

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

The purpose of the study was to evaluate the marginal leakage of three adhesive systems in Class V resin composite restorations. Two adhesive systems containing acidic primers: Clearfil SE Bond (CSEB) and Etch & Prime 3.0 (E&P), were compared with a conventional water-based primer: Scotchbond Multipurpose Plus (SBMP). Class V cavities were made at the cementum-enamel junction of extracted human molars, which were then divided between three groups. One of the adhesive systems was applied to each group following manufacturers' instructions. Composite restorations were placed, light cured for 40 s, and polished. Specimens were then immersed in a solution of 2% basic fuchsin dye for 24 h. Longitudinal sections were obtained and studied with a stereomicroscope for assessment of the microleakage according to the degree of dye penetration (scale of 0-3). Data were analyzed by Kruskal-Wallis one-way ANOVA, Mann-Whitney tests, and the Wilcoxon matched-pairs signed rank test. Two specimens for each group were analyzed by scanning-electron microscopy (SEM). Bonded interfaces of dentin were also examined by transmission-electron microscopy (TEM). On enamel, there were no significant differences between the three groups. On dentin, CSEB showed the lowest dye penetration values among the three adhesive systems. SEM and TEM studies showed hybrid layer and resin tag formations in all groups.

Original languageEnglish (US)
Pages (from-to)399-409
Number of pages11
JournalJournal of Biomedical Materials Research - Part B Applied Biomaterials
Volume66
Issue number1
DOIs
StatePublished - Jul 15 2003

Fingerprint

Composite Resins
Adhesives
Restoration
Etching
Resins
Coloring Agents
Enamels
Dyes
Composite materials
Dentin
Dental Enamel
Transmission Electron Microscopy
Electron Scanning Microscopy
Transmission electron microscopy
Dental Cementum
Scanning electron microscopy
Analysis of variance (ANOVA)
Analysis of Variance
Light
Water

Keywords

  • Adhesion
  • Dentin
  • Enamel
  • Microleakage
  • Self-etching primers

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering

Cite this

Microleakage and Interfacial Morphology of Self-Etching Adhesives in Class V Resin Composite Restorations. / Osorio, Raquel; Toledano, Manuel; De Leonardi, Guillermo; Tay, Franklin.

In: Journal of Biomedical Materials Research - Part B Applied Biomaterials, Vol. 66, No. 1, 15.07.2003, p. 399-409.

Research output: Contribution to journalArticle

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