Skip to main content

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