Bond strength of self-etch adhesives after saliva contamination at different application steps

N. Cobanoglu, N. Unlu, F. F. Ozer, M. B. Blatz

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

This study evaluated and compared the effect of saliva contamination and possible decontamination methods on bond strengths of two self-etching adhesive systems (Clearfil SE Bond [CSE], Optibond Solo Plus SE [OSE]). Flat occlusal dentin surfaces were created on 180 extracted human molar teeth. The two bonding systems and corresponding composite resins (Clearfil AP-X, Kerr Point 4) were bonded to the dentin under six surface conditions (n=15/group): group 1 (control): primer/bonding/composite; group 2: saliva/drying/primer/bonding/ composite; group 3: primer/saliva/rinsing/drying/primer/bonding/composite; group 4: primer/saliva/rinsing/drying/bonding/composite; group 5: primer/bonding (cured)/saliva/rinsing/drying/primer/bonding/composite; group 6: primer/bonding (cured)/saliva/removing contaminated layer with a bur/rinsing/drying/primer/ bonding/composite. Shear bond strength was tested after specimens were stored in distilled water at 37°C for 24 hours. One-way analysis of variance and Tukey post hoc tests were used for statistical analyses. For CSE, groups 2,3, and 4 and for OSE, groups 6,2, and 4 showed significantly lower bond strengths than the control group (p<0.05). CSE groups 5 and 6 and OSE groups 3 and 5 revealed bond strengths similar to the control. When saliva contamination occurred after light polymerization of the bonding agent, repeating the bonding procedure recovered the bonding capacity of both self-etch adhesives. However, saliva contamination before or after primer application negatively affected their bond strength.

Original languageEnglish (US)
Pages (from-to)505-511
Number of pages7
JournalOperative Dentistry
Volume38
Issue number5
DOIs
StatePublished - Sep 1 2013

Fingerprint

Saliva
Adhesives
Dentin
Shear Strength
Control Groups
Decontamination
Composite Resins
Polymerization
Analysis of Variance
Tooth
Light
Water
Clearfil SE Bond

ASJC Scopus subject areas

  • Dentistry(all)
  • Medicine(all)

Cite this

Bond strength of self-etch adhesives after saliva contamination at different application steps. / Cobanoglu, N.; Unlu, N.; Ozer, F. F.; Blatz, M. B.

In: Operative Dentistry, Vol. 38, No. 5, 01.09.2013, p. 505-511.

Research output: Contribution to journalArticle

Cobanoglu, N. ; Unlu, N. ; Ozer, F. F. ; Blatz, M. B. / Bond strength of self-etch adhesives after saliva contamination at different application steps. In: Operative Dentistry. 2013 ; Vol. 38, No. 5. pp. 505-511.
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