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In vitro inhibition of bacterial growth using different dental adhesive systems
Ricardo Walter1, Wagner R Duarte, Patricia N R Pereira
1Department of Periodontology, Dental Research Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. rick_walter@dentistry.unc.edu
Objectives:
This study evaluated the antibacterial potential of four different adhesive systems.
Methods & Materials:
Gluma Comfort Bond + Desensitizer, Gluma Comfort Bond, iBond and One-Up Bond F were tested against Streptococcus mutans, Streptococcus sobrinus, Lactobacillus acidophilus and Actinomyces viscosus. The inhibition of growth by calibrated preparations was quantified by the measurement of zones of inhibition on bacterial lawns. Bactericidal activity was determined as reductions in recoverable colony-forming units in bacterial suspensions exposed to test preparations.
Results:
All the preparations exhibited detectable zones of inhibition for all target bacteria through six months. When the bactericidal action was evaluated, all the materials were able to kill all the tested bacteria when tested immediately after polymerization. After one week of aging, iBond was the only material that continued to kill all of the test strains.
