Table 2 The detectable quantity and variety of pathogenic bacteria in root canal before and after treatment (means ± SD)
P.gingival | P.intermedia | S.mutans | |||
|---|---|---|---|---|---|
Plantaricin 149 | Before treatment | 6.25 ± 0.43 | 4.34 ± 0.67 | 4.54 ± 1.21 | |
After treatment | 3.09 ± 0.58 | 1.97 ± 0.43 | 2.31 ± 0.56 | ||
Inhibiting rates | 52.16 ± 9.28%ab | 54.60 ± 8.98%ab | 49.11 ± 9.05%ab | ||
NaCIO | Before treatment | 7.08 ± 1.97 | 5.09 ± 1.13 | 4.43 ± 0.98 | |
After treatment | 5.48 ± 1.54 | 3.78 ± 1.34 | 2.98 ± 0.87 | ||
Inhibiting rates | 22.59 ± 6.74% | 25.73 ± 4.78% | 32.73 ± 6.89% | ||
H2O2 | Before treatment | 6.98 ± 2.01 | 4.89 ± 1.76 | 4.21 ± 1.12 | |
After treatment | 5.97 ± 1.87 | 4.01 ± 0.89 | 3.78 ± 0.98 | ||
Inhibiting rates | 14.46 ± 3.32% | 17.99 ± 3.88% | 10.21 ± 2.98% ab | ||