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Progress in Orthodontics

Table 2 Comparison of incisal and cervical accumulative moved distances (mm) between sides over time - group 1

From: The effects of corticotomy and piezocision in orthodontic canine retraction: a randomized controlled clinical trial

Source

Incisal

Cervical

Mean

S.D.

Exp (β)

C. I.

P value

Mean

S.D.

Exp (β)

C. I.

P value

1 week

Control

0.34

0.14

1.00

-

-

0.16

0.12

1.00

-

-

Corticotomy

0.28

0.13

1.03

[0.87; 1.23]

0.728

0.18

0.13

0.95

[0.78; 1.14]

0.574

2 weeks

Control

0.50

0.25

1.00

-

-

0.24

0.19

1.00

-

-

Corticotomy

0.47

0.32

1.03

[0.87; 1.22]

0.716

0.18

0.12

0.95

[0.79; 1.14]

0.578

4 weeks

Control

0.78

0.41

1.00

-

-

0.35

0.18

1.00

-

-

Corticotomy

0.92

0.28

1.03

[0.88; 1.22]

0.693

0.38

0.21

0.95

[0.80; 1.14]

0.590

6 weeks

Control

1.23

0.38

1.00

-

-

0.49

0.17

1.00

-

-

Corticotomy

1.25

0.45

1.04

[0.88; 1.22]

0.672

0.46

0.25

0.96

[0.80; 1.14]

0.609

8 weeks

Control

1.71

0.35

1.00

-

-

0.84

0.25

1.00

-

-

Corticotomy

1.84

0.83

1.04

[0.88; 1.22]

0.654

0.81

0.45

0.96

[0.81; 1.14]

0.636

10 weeks

Control

2.06

0.65

1.00

-

-

1.11

0.34

1.00

-

-

Corticotomy

2.23

0.91

1.04

[0.88; 1.22]

0.640

1.03

0.48

0.96

[0.81; 1.15]

0.671

12 weeks

Control

2.45

0.86

1.00

-

-

1.28

0.39

1.00

-

-

Corticotomy

2.62

1.02

1.04

[0.88; 1.23]

0.630

1.26

0.63

0.97

[0.81; 1.16]

0.710

14 weeks

Control

2.79

1.00

1.00

-

-

1.46

0.51

1.00

-

-

Corticotomy

3.02

1.05

1.04

[0.88; 1.24]

0.625

1.46

0.62

0.97

[0.80; 1.17]

0.751

16 weeks

Control

3.18

0.90

1.00

-

-

1.72

0.55

1.00

-

-

Corticotomy

3.30

1.22

1.04

[0.88; 1.24]

0.622

1.60

0.74

0.97

[0.80; 1.19]

0.792

18 weeks

Control

3.62

0.96

1.00

-

-

1.96

0.57

1.00

-

-

Corticotomy

3.70

1.17

1.05

[0.87; 1.26]

0.623

1.90

0.65

0.98

[0.79; 1.21]

0.831

20 weeks

Control

3.75

1.11

1.00

-

-

2.05

0.73

1.00

-

-

Corticotomy

3.82

1.17

1.05

[0.87; 1.27]

0.626

2.07

0.70

0.98

[0.78; 1.23]

0.867

22 weeks

Control

3.94

1.34

1.00

-

-

2.18

0.90

1.00

-

-

Corticotomy

3.80

1.05

1.05

[0.86; 1.28]

0.631

2.17

0.87

0.98

[0.77; 1.25]

0.899

24 weeks

Control

3.97

1.41

1.00

-

-

2.22

0.95

1.00

-

-

Corticotomy

3.83

1.00

1.05

[0.85; 1.30]

0.636

2.18

0.55

0.99

[0.76; 1.28]

0.928

  1. p values were obtained by marginal log-linear regression. Level of significance = 5%; *, not significant (p > 0.05); SD standard deviation, CI confidence interval (95%), Exp. exponential
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