Table 1. Mean zone of microbial growth inhibition (mm) produced by test irrigants against enterococcus faecalis .

Groups	Mean (±SD)	Min	Max
TAED-SP	7.9 (±1)a*	6	9
2.5% NaOCl	6.9 (±1)b	5	8
5% NaOCl	7.7 (±1)ab	6	9

SD: standard deviation; TAED-SP: Tetraacetylethylenediamine-sodium perborate; NaOCl: Sodium hypochlorite; ^*different letters denote statis-tically significant difference