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Table 1 The mean and standard deviation (SD) of hardness in each third in different groups

From: Cleanliness efficacy and effect on dentin microhardness of a novel plant extract irrigant

Variables

Hardness

Apical

Middle

Coronal

p value

Mean

SD

Mean

SD

Mean

SD

Group 1

60.57

3.16

63.73

2.85

73.10

12.74

0.292 ns

Group 2

83.90

5.01

79.03

9.92

71.30

3.02

0.304 ns

Group 3

95.60

7.61

65.33

5.10

87.33

7.15

0.025*

Group 4

99.17

2.36

89.23

6.22

82.87

12.97

0.295 ns

Group 5

61.37

2.95

72.30

2.15

76.77

3.24

0.028*

pvalue

< 0.001*

0.002*

0.228 ns

 
  1. ns non-significant (p > 0.05)
  2. *Significant (p < 0.05)