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Progress in Orthodontics

Table 4 Comparison of upper incisor inclination changes between the groups

From: A comparative assessment of clinical efficiency between premium heat-activated copper nickel-titanium and superelastic nickel-titanium archwires during initial orthodontic alignment in adolescents: a randomized clinical trial

 

T0-T4

Mean Diff. ± SE

95% CI

p

Lower limit

Upper Limit

U1-SN°

Group 1

3.64 ± 0.65

2.29

4.99

0.479

Group 2

4.54 ± 0.64

3.22

5.86

U1-FH°

Group 1

3.64 ± 0.60

2.40

4.87

0.135

Group 2

4.93 ± 0.62

3.66

6.20

U1-NA°

Group 1

2.86 ± 0.58

1.66

4.06

0.044

Group 2

4.70 ± 0.63

3.39

6.00

U1-NA (mm)

Group 1

1.51 ± 0.32

0.85

2.17

0.662

Group 2

1.85 ± 0.37

1.08

2.62

  1. Mann-Whitney U test was used for statistical significance
  2. CI, confidence interval; SE, standard error
  3. Significant at p < 0.05
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