Research Article

Antibacterial Efficacy of Cold Atmospheric Plasma, Photodynamic Therapy with Two Photosensitizers, and Diode Laser on Primary Mandibular Second Molar Root Canals Infected with Enterococcus faecalis: An In Vitro Study

Table 4

Pairwise comparisons of the groups regarding the percentage of reduction in colony count using Tukey’s test.

Group (I)Group (J)Mean difference (I − J)Std. errorSig.95% Confidence interval
Lower boundUpper bound

Laser + curcuminLaser + MB0.911.900.989−4.506.33
Diode laser1.90<0.0014.3915.23
Cold plasma1.90<0.001−14.14−3.30
Hypochlorite1.90<0.001−14.55−3.71

Laser + MBCurcumin−0.911.900.98−6.334.50
Diode laser1.90<0.0013.4814.32
Cold plasma1.90<0.001−15.05−4.21
Hypochlorite1.90<0.001−15.46−4.62

Diode laserCurcumin1.90<0.001−15.23−4.39
Laser + MB1.90<0.001−14.32−3.48
Cold plasma1.90<0.001−23.95−13.12
Hypochlorite1.90<0.001−24.37−13.53

Cold plasmaCurcumin1.90<0.0013.3014.14
Laser + MB1.90<0.0014.2115.05
Diode laser1.90<0.00113.1223.95
Hypochlorite−0.411.901.00−5.835.00

HypochloriteCurcumin1.90<0.0013.7114.55
Laser + MB1.90<0.0014.6215.46
Diode laser1.90<0.00113.5324.37
Cold plasma0.411.901.00−5.005.83

The mean difference is significant at the 0.05 level.