Influence of the Oxygen-inhibited Layer on Bonding Performance of Dental Adhesive Systems

Surface Free Energy Perspectives

Akimasa Tsujimoto, Wayne W. Barkmeier, Toshiki Takamizawa, Mark A. Latta, Masashi Miyazaki

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

PURPOSE: To examine the influence of the oxygen inhibited layer (OIL) on shear bond strength (SBS) to dentin and surface free energy (SFE) characteristics of different adhesive systems.

MATERIALS AND METHODS: Three adhesive systems were used: Scotchbond Multipurpose (SM), Clearfil SE Bond (CS), and Scotchbond Universal (SU). Resin composite was bonded to dentin surfaces to determine SBS with and without OIL of adhesives. The SFE, dispersion force (γSd), polarity force (γSp), and hydrogen bonding force (γSh) of cured adhesives with and without an OIL were measured. Two-way ANOVA and Tukey's honestly significant difference (HSD) test were used for analysis of SBS data, and one-way ANOVA and Tukey's HSD test were used for the SFE and contact angle data.

RESULTS: The SBS of SM and CS showed no significant differences between specimens with and without the OIL. However, the SBS of SU with the OIL was significantly higher than without the OIL. The SFE, γSp, and γSh of cured adhesives with an OIL were significantly higher than those of cured adhesives without an OIL. The SFE, γSp, and γSh of SM and CS with an OIL were significantly higher than those of SU with an OIL.

CONCLUSION: The results of this study indicate that the presence of an OIL with a single-step self-etching adhesive promotes higher SBS to dentin, unlike in the other types of adhesive systems. The SFE characteristics of the OIL of dental adhesives differed depending on the type of adhesive system.

Original languageEnglish
Pages (from-to)51-58
Number of pages8
JournalJournal of Adhesive Dentistry
Volume18
Issue number1
DOIs
StatePublished - 2016

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Dental Cements
Adhesives
Oxygen
Shear Strength
Dentin
Analysis of Variance
Composite Resins
Hydrogen Bonding
Scotchbond

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Influence of the Oxygen-inhibited Layer on Bonding Performance of Dental Adhesive Systems : Surface Free Energy Perspectives. / Tsujimoto, Akimasa; Barkmeier, Wayne W.; Takamizawa, Toshiki; Latta, Mark A.; Miyazaki, Masashi.

In: Journal of Adhesive Dentistry, Vol. 18, No. 1, 2016, p. 51-58.

Research output: Contribution to journalArticle

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N2 - PURPOSE: To examine the influence of the oxygen inhibited layer (OIL) on shear bond strength (SBS) to dentin and surface free energy (SFE) characteristics of different adhesive systems.MATERIALS AND METHODS: Three adhesive systems were used: Scotchbond Multipurpose (SM), Clearfil SE Bond (CS), and Scotchbond Universal (SU). Resin composite was bonded to dentin surfaces to determine SBS with and without OIL of adhesives. The SFE, dispersion force (γSd), polarity force (γSp), and hydrogen bonding force (γSh) of cured adhesives with and without an OIL were measured. Two-way ANOVA and Tukey's honestly significant difference (HSD) test were used for analysis of SBS data, and one-way ANOVA and Tukey's HSD test were used for the SFE and contact angle data.RESULTS: The SBS of SM and CS showed no significant differences between specimens with and without the OIL. However, the SBS of SU with the OIL was significantly higher than without the OIL. The SFE, γSp, and γSh of cured adhesives with an OIL were significantly higher than those of cured adhesives without an OIL. The SFE, γSp, and γSh of SM and CS with an OIL were significantly higher than those of SU with an OIL.CONCLUSION: The results of this study indicate that the presence of an OIL with a single-step self-etching adhesive promotes higher SBS to dentin, unlike in the other types of adhesive systems. The SFE characteristics of the OIL of dental adhesives differed depending on the type of adhesive system.

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