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Table 2 Logarithm of bacterial count in liquid media after 3, 15, and 30 days

From: Evaluation of the antibacterial activity of a conventional orthodontic composite containing silver/hydroxyapatite nanoparticles

Bacterial type

Incubation time (day)

Percentage of Ag/HA nanoparticles

  

0 %

1 %

5 %

10 %

Streptococcus mutans log

0

8.371 ± 0.027

   

3

 

8.281 ± 0.202

8.184 ± 0.036

7.885 ± 0.073

15

 

8.312 ± 0.010

8.241 ± 0.027

8.041 ± 0.033

30

 

8.334 ± 0.029

8.268 ± 0.014

8.150 ± 0.020

Streptococcus sanguinis log

0

8.346 ± 0.049

   

3

 

8.233 ± 0.031

8.115 ± 0.014

7.777 ± 0.073

15

 

8.254 ± 0.038

8.209 ± 0.020

8.096 ± 0.029

30

 

8.300 ± 0.014

8.278 ± 0.020

8.187 ± 0.031

Lactobacillus acidophilus log

0

8.295 ± 0.035

   

3

 

8.248 ± 0.036

8.160 ± 0.032

7.996 ± 0.008

15

 

8.271 ± 0.027

8.228 ± 0.009

8.112 ± 0.053

30

 

8.285 ± 0.017

8.270 ± 0.011

8.228 ± 0.021