Research Article

Influence of the Culture Medium in Dose-Response Effect of the Chlorhexidine on Streptococcus mutans Biofilms

Table 2

% means and standard deviations of viable bacteria (CFU) in the biofilms growth according to the treatments.

GroupsCFU
MHMHSUTYEB

Baseline 48 h1.03E + 08 (1.44E + 07)1.25E + 08 (1.00E + 07)4.50E + 07 (1.41E + 07)
Baseline 120 h8.17E + 07 (1.01E + 07)1.00E + 08 (4.77E + 07)5.46E + 08 (5.89E + 07)
CHX 0.0001%8.17E + 07 (2.93E + 07)9.83E + 07 (5.43E + 07)3.60E + 08 (4.34E + 07)
CHX 0.001%5.67E + 06 (8.78E  +  05)7.42E + 06 (2.93E + 06)3.39E + 08 (4.16E + 07)
CHX 0.012% 8.92E + 05 (8.04E + 04)9.17E + 05 (3.82E + 04)1.60E + 08 (5.88E + 07)
CHX 0.12%8.33E + 02 (2.89E + 02)8.58E + 02 (8.43E + 02)1.58E + 02 (5.20E + 01)

Means within lines followed by distinct capital letters and those in columns followed by lower case letters differ statistically by Tukey test ( < 0.05).