Table 1 Mean and standard deviation values of bacterial count according to different file systems and adjunctive disinfection approaches

From: The impact of different mechanical file systems with or without adjunctive approaches on disinfection of oval root canals: an ex vivo study

Adjunctive disinfection approach

Log bacterial count (CFU/ml) (mean ± SD)

 

RB group

HCM group

Positive control

Negative control

p value

Saline syringe irrigation

(A subgroup)

11.90 ± 0.21c,3

10.95 ± 0.36d,3

12.39 ± 0.16a

0.00 ± 0.00b

<0.001

Circumferential H-file filing (saline)

(B subgroup)

10.11 ± 0.63c,4

9.87 ± 0.20c,3

<0.001

NaOCl syringe irrigation

(C subgroup)

7.64 ± 0.17c,5

6.58 ± 0.36d,4

<0.001

Passive ultrasonic irrigation (NaOCl)

(D subgroup)

6.11 ± 0.25c,6

3.02 ± 0.62d,5

<0.001

Positive control

12.39 ± 0.161

   

Negative control

0.00 ± 0.002

   

p value

<0.001

<0.001

   

Superscript letters highlight statistically significant differences among file systems (values within the same line), while superscript numbers highlight statistically significant differences among disinfection approaches (values within the same column)

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