Research Article

Inhibition of Streptococcus gordonii Metabolic Activity in Biofilm by Cranberry Juice High-Molecular-Weight Component

Table 3

Inhibition of S. gordonii metabolic activity measured by XTT assay in biofilm formed on dental restorative surfaces by NDM.

NDM Conc (μg/mL)Metabolic activity of biofilm cells on
Amalgam discsComposite discsHA discs

Zero 2 . 6 6 ± 0 . 4 4 2 . 5 1 ± 0 . 4 1 2 . 3 7 ± 0 . 2 2
10 1 . 8 4 ± 0 . 3 6 1 . 9 7 ± 0 . 3 1 2 . 0 1 ± 0 . 2 6
25 1 . 3 3 ± 0 . 1 2 1 . 5 2 ± 0 . 2 4 1 . 7 9 ± 0 . 1 9
50 0 . 9 4 ± 0 . 0 8 1 . 1 4 ± 0 . 1 8 1 . 2 1 ± 0 . 1 5
75 0 . 4 2 ± 0 . 0 5 0 . 5 6 ± 0 . 1 1 0 . 7 4 ± 0 . 1 3
1000.00.00.0