Restor Dent Endod.  2014 Feb;39(1):32-38.

Antibacterial effect of self-etching adhesive systems on Streptococcus mutans

• Kim SR
• Shin DH

Abstract

OBJECTIVES
In this study, we evaluated the antibacterial activity of self-etching adhesive systems against Streptococcus mutans using the agar diffusion method.
MATERIALS AND METHODS
Three 2-step systems, Clearfil SE Bond (SE, Kuraray), Contax (CT, DMG), and Unifil Bond (UnB, GC), and three 1-step systems, Easy Bond (EB, 3M ESPE), U-Bond (UB, Vericom), and All Bond SE (AB, BISCO) were used. 0.12% chlorhexidine (CHX, Bukwang) and 37% phosphoric acid gel (PA, Vericom) were used as positive controls.
RESULTS
The antibacterial activity of CHX and PA was stronger than that of the other groups, except SE. After light activation, the inhibition zone was reduced in the case of all 2-step systems except CT. However, all 1-step systems did not exhibit any inhibition zone upon the light activation.
CONCLUSIONS
SE may be better than CT or UnB among the 2-step systems with respect to antibacterial activity, however, 1-step systems do not exhibit any antibacterial activity after light curing.

Keyword

Agar diffusion method; Antibacterial activity; Self-etching adhesive systems; S. mutans

MeSH Terms

Adhesives*
Agar
Chlorhexidine
Diffusion
Methods
Streptococcus mutans*
Streptococcus*
Adhesives
Agar
Chlorhexidine

Figure

• 

  Figure 1 Inhibition zone of self-etching systems. CHX, Chlorhexidine; PA, Phosphoric acid; SE, Clearfil SE Bond; UnB, Unifil Bond; CT, Contax; AB, All Bond SE; EB, Easy Bond; UB, U-Bond. Plate 1-1, 3-1, No light activation; Plate 2-1, 4-1, Light activation.

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