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Table 3 Root resorption in millimeters and percentage of initial root length for lateral and central incisors in maxilla and mandible

From: Root resorption after leveling with super-elastic and conventional steel arch wires: a prospective study

 

Mean

SD

Mean

SD

95% CI

P

Mean

SD

Mean

SD

95% CI

P

Pairs

12

11

  

22

21

  

(N = 37)

(N = 37)

 mm

0.97

1.00

0.74

0.87

−0.13 to 0.60

0.20

0.71

0.57

0.62

0.94

−0.23 to 0.42

0.55

 %

5.79

5.60

4.30

5.02

−0.54 to 3.52

0.15

4.36

3.45

3.42

5.57

−1.04 to 2.92

0.34

Pairs

42

41

  

32

31

  

(N = 36)

(N = 30)

 mm

1.17

0.74

0.73

0.72

0.21 to 0.68

<0.01

1.04

0.82

0.79

0.65

−0.08 to 0.58

0.14

 %

6.65

4.02

4.54

4.22

0.75 to 3.47

<0.01

6.14

4.78

5.07

4.02

−0.88 to 3.01

0.27