Influence of an oxygen-inhibited layer on enamel bonding of dental adhesive systems

Surface free-energy perspectives

Hirofumi Ueta, Akimasa Tsujimoto, Wayne W. Barkmeier, Hajime Oouchi, Keiichi Sai, Toshiki Takamizawa, Mark A. Latta, Masashi Miyazaki

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The influence of an oxygen-inhibited layer (OIL) on the shear bond strength (SBS) to enamel and surface free-energy (SFE) of adhesive systems was investigated. The adhesive systems tested were Scotchbond Multipurpose (SM), Clearfil SE Bond (CS), and Scotchbond Universal (SU). Resin composite was bonded to bovine enamel surfaces to determine the SBS, with and without an OIL, of adhesives. The SFE of cured adhesives with and without an OIL were determined by measuring the contact angles of three test liquids. There were no significant differences in the mean SBS of SM and CS specimens with or without an OIL; however, the mean SBS of SU specimens with an OIL was significantly higher than that of SU specimens without an OIL. For all three systems, the mean total SFE (γS), polarity force (γSp), and hydrogen bonding force (γSh) values of cured adhesives with an OIL were significantly higher than those of cured adhesives without an OIL. The results of this study indicate that the presence of an OIL promotes higher SBS of a single-step self-etch adhesive system, but not of a three-step or a two-step self-etch primer system. The SFE values of cured adhesives with an OIL were significantly higher than those without an OIL. The SFE characteristics of the OIL of adhesives differed depending on the type of adhesive.

Original languageEnglish
Pages (from-to)82-88
Number of pages7
JournalEuropean Journal of Oral Sciences
Volume124
Issue number1
DOIs
StatePublished - Feb 1 2016

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Dental Cements
Dental Enamel
Adhesives
Oxygen
Shear Strength
Composite Resins
Hydrogen Bonding

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

Influence of an oxygen-inhibited layer on enamel bonding of dental adhesive systems : Surface free-energy perspectives. / Ueta, Hirofumi; Tsujimoto, Akimasa; Barkmeier, Wayne W.; Oouchi, Hajime; Sai, Keiichi; Takamizawa, Toshiki; Latta, Mark A.; Miyazaki, Masashi.

In: European Journal of Oral Sciences, Vol. 124, No. 1, 01.02.2016, p. 82-88.

Research output: Contribution to journalArticle

Ueta, Hirofumi ; Tsujimoto, Akimasa ; Barkmeier, Wayne W. ; Oouchi, Hajime ; Sai, Keiichi ; Takamizawa, Toshiki ; Latta, Mark A. ; Miyazaki, Masashi. / Influence of an oxygen-inhibited layer on enamel bonding of dental adhesive systems : Surface free-energy perspectives. In: European Journal of Oral Sciences. 2016 ; Vol. 124, No. 1. pp. 82-88.
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