Dewi Puspitasari, Ellyza Herda, Andi Soufyan


Objective: The purpose of this study was to analyze the effect of 2% chlorhexidine gluconate (CHX) on the degradation of composite resin–dentin bond strength when using self-etch adhesive systems.

Methods: CHX (2%) was applied before application of two-step self-etch (TSC) and one-step self-etch (OSC) adhesive. Resin composite was applied incrementally. Specimens from the degradation treatment group were immersed in 10% NaOCl for 1 h. Shear bond strength was tested with a universal testing machine and analyzed using one-way ANOVA and Dunnett’s T3 post-hoc test. The composite resin–dentin bonds were observed using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).

Results: In the treatment group without 10% NaOCl, shear bond strength values were higher in the 2% CHX-treated group (TSC 11.67±1.76 MPa and OSC 10.19±1.44 MPa) than in the untreated group (TSC 10.93±1.31MPa and OSC 9.97±1.41 MPa), although this difference was not statistically significant. In samples exposed to10% NaOCl, shear bond strength values were higher in the 2% CHX-treated group (TSC 11.14±1.22 MPa and OSC 9.95±1.21 MPa) than in the untreated group (TSC 10.08±0.45 MPa and OSC 8.62±0.85 MPa), although this difference was not statistically significant. The SEM of samples from the 2% CHX-treated group showed less degradation than samples from the untreated group did.

Conclusion: Application of 2% CHX may decrease the degradation of the resin composite-dentin bond.


2% chlorhexidine, Self-etch adhesive systems, Shear bond strength.

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2% chlorhexidine, Self-etch adhesive systems, Shear bond strength.





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International Journal of Applied Pharmaceutics
Vol. 9, Special Issue 2 (Dec.), 2017 Page: 45-50

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Authors & Affiliations

Dewi Puspitasari
Department of Dental Materials, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia

Ellyza Herda
Department of Dental Materials, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia

Andi Soufyan
Department of Dental Materials, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia


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