Effect of drying methods on hybrid layer thickness

Kousuke Itou, Yasuhiro Torii, Fumiko Oyama, Masahiro Yoshiyama, David H. Pashley

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Purpose: To evaluate the effect of drying methods used in scanning electron microscopy on the thickness of the hybrid layers created by several different adhesive systems. Methods: A total etch dry bonding system, (Photobond), a three-step bonding adhesive system, (Scotchbond Multi-Purpose), a wet-bonding adhesive system (All-Bond 2) and a self-etching primer system (Mac Bond II) were used in this study. To permit measurement of the thickness of the hybrid layer, the resin-dentin interfaces were polished and etched briefly to remove polishing debris followed by immersion in 10% NaOCl for 4 hours. Half of the specimens in each group were subjected to fixation and critical-point drying followed by gold sputter-coating. The remaining specimens were allowed to air dry prior to gold sputter-coating. SEM observations were carried out to determine the structure and thickness of the hybrid layers. Results: The thickness of hybrid layers were affected by the drying methods with the critical-point drying methods producing the thickest hybrid layers (P< 0.05). The thickest hybrid layers were created by Photobond, with Scotchbond Multi-Purpose and All-Bond 2 producing intermediate thickness hybrid layers, among the total etch systems. The thinnest hybrid layer among all of the adhesive systems was produced by the self-etching primer, Mac Bond II.

Original languageEnglish (US)
Pages (from-to)335-339
Number of pages5
JournalAmerican journal of dentistry
Volume16
Issue number5
StatePublished - Oct 1 2003

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Adhesives
Gold
Immersion
Dentin
Electron Scanning Microscopy
Air
Scotchbond Multi-Purpose
Photobond
All-Bond 2
Mac Bond II

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Itou, K., Torii, Y., Oyama, F., Yoshiyama, M., & Pashley, D. H. (2003). Effect of drying methods on hybrid layer thickness. American journal of dentistry, 16(5), 335-339.

Effect of drying methods on hybrid layer thickness. / Itou, Kousuke; Torii, Yasuhiro; Oyama, Fumiko; Yoshiyama, Masahiro; Pashley, David H.

In: American journal of dentistry, Vol. 16, No. 5, 01.10.2003, p. 335-339.

Research output: Contribution to journalArticle

Itou, K, Torii, Y, Oyama, F, Yoshiyama, M & Pashley, DH 2003, 'Effect of drying methods on hybrid layer thickness', American journal of dentistry, vol. 16, no. 5, pp. 335-339.
Itou K, Torii Y, Oyama F, Yoshiyama M, Pashley DH. Effect of drying methods on hybrid layer thickness. American journal of dentistry. 2003 Oct 1;16(5):335-339.
Itou, Kousuke ; Torii, Yasuhiro ; Oyama, Fumiko ; Yoshiyama, Masahiro ; Pashley, David H. / Effect of drying methods on hybrid layer thickness. In: American journal of dentistry. 2003 ; Vol. 16, No. 5. pp. 335-339.
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