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Table 2 Log10 CFU/mL, Log10 CFU/mL reduction, and percent reduction of treated S. mutans biofilm following each treatment

From: Quorum quenching of Streptococcus mutans via the nano-quercetin-based antimicrobial photodynamic therapy as a potential target for cariogenic biofilm

Groups

Log10 CFU/mL

Log10 CFU/mL reduction

Percent reduction (%)

Control

9.8

0.2% CHX

5.3

−4.5

99.99

Blue laser

9.3

−0.5

68.41

1/2 × MBIC of N-QCT

8.4

−1.4

96.11

1/4 × MBIC of N-QCT

9

−0.8

84.22

aPDT using 1/2 × MBIC of N-QCT

5.8

−4.0

99.99

aPDT using 1/4 × MBIC of N-QCT

6.7

−3.1

99.92