Antibacterial Properties of Calcium Fluoride-Based Composite Materials: Study
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Biotechnology
General Medicine
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The aim of the study was to evaluate antibacterial activity of composite materials modified with calcium fluoride against cariogenic bacteria and . One commercially available conventional light-curing composite material containing fluoride ions (F2) and two commercially available flowable light-curing composite materials (Flow Art and X-Flow) modified with 1.5, 2.5, and 5.0 wt% anhydrous calcium fluoride addition were used in the study. Composite material samples were incubated in 0.95% NaCl at 35°C for 3 days; then dilution series of and strains were made from the eluates. Bacteria dilutions were cultivated on media afterwards. Colony-forming unit per 1 mL of solution (CFU/mL) was calculated. Composite materials modified with calcium fluoride highly reduced ( < 0.001) bacteria growth compared to commercially available composite materials containing fluoride compounds. The greatest reduction in bacteria growth was observed for composite materials modified with 1.5% wt. CaF. All three tested composite materials showed statistically greater antibacterial activity against than against .
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