The Scientific World Journal / 2015 / Article / Tab 1

Research Article

Comparison of Different Irrigants in the Removal of Endotoxins and Cultivable Microorganisms from Infected Root Canals

Table 1

Distribution of the median colony-forming unit (CFU/mL) and median percentage of bacterial load reduction found at all different sampling times (S1, S2, and S3).

Groups MicroorganismsBaseline (S1)After instrumentation (S2)After 7 days (S3)
CFU/mLPositive cultureCFU/mLNegative cultureMedian % valued
reduction
(S1-S2)
CFU/mLNegative cultureMedian % valued
reduction
(S1–S3)

GI
NaOCl
+ surfactant
E. faecalis 2.0 × 10710/1009/10100 (50.33–100)010/10100
C. albicans 2.55 × 10510/1009/10100 (48.53–100)010/10100
E. coli 3.12 × 10510/10010/10100010/10100

GII
2% CHX solution
E. faecalis 9.25 × 10710/10010/1010009/10100 (62.91–100)
C. albicans 3.06 × 10510/10010/10100010/10100
E. coli 3.36 × 10510/10010/10100010/10100

GIII
2.5%
NaOCl
E. faecalis 2.15 × 10710/10010/101001.0 × 1027/1072.6 (55.58–100)
C. albicans 1.10 × 10510/10010/10100010/10100
E. coli 3.19 × 10510/10010/10100010/10100

GIV
Control group
E. faecalis 1.84 × 10710/105.0 × 1010/1033 (29.62–42.69)1.0 × 1030/1030.88 (26.47–36.13)
C. albicans 1.06 × 10510/108.96 × 1041/1080.63 (26.83–100)1.40 × 1051/1078.10 (29–100)
E. coli 3.52 × 10510/104.48 × 1020/1036.39 (21.59–42.69)4.32 × 1040/1038.53 (19.51–47.93)

Statistical differences ().

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