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Table 3 Three-dimensional changes of maxillary teeth in three miniscrew anchorage groups

From: Three-dimensional evaluation of maxillary tooth movement in extraction patients with three different miniscrew anchorage systems: a randomized controlled trial

Measurements

Group DL (n = 20)

Group IL (n = 20)

Group DH (n = 20)

T0–T1 Mean (95% CI)

P

T0–T1 Mean (95% CI)

P

T0–T1 Mean (95% CI)

P

Buccolingual/labiolingual position (mm)

U6c

 − 0.65 (− 0.92 ~  − 0.37)

 < 0.001**

0.75 (0.28 ~ 1.21)

0.004**

 − 0.02 (− 0.45 ~ 0.41)

0.904

U6r

1.46 (0.87 ~ 2.04)

 < 0.001**

0.38 (− 0.28 ~ 1.04)

0.253

0.16 (− 0.36 ~ 0.67)

0.515

U5c

 − 0.16 (− 0.52 ~ 0.20)

0.478

0.88 (0.44 ~ 1.31)

 < 0.001**

0.46 (0.12 ~ 0.79)

0.018*

U5r

0.71 (0.28 ~ 1.13)

0.006**

0.37 (− 0.15 ~ 0.88)

0.081

0.02 (− 0.34 ~ 0.38)

0.907

U3c

 − 0.46 (− 1.18 ~ 0.27)

0.217

0.35 (− 0.32 ~ 1.01)

0.299

0.14 (− 0.38 ~ 0.65)

0.588

U3r

 − 1.37(− 2.01 ~  − 0.73)

 < 0.001**

 − 0.44 (− 1.20 ~ 0.32)

0.214

 − 1.61 (− 2.35 ~  − 0.87)

 < 0.001*

U2c

5.09 (4.55 ~ 5.63)

 < 0.001**

4.60 (3.81 ~ 5.38)

 < 0.001**

5.11 (4.54 ~ 5.65)

 < 0.001*

U2r

1.73 (1.03 ~ 2.43)

 < 0.001**

1.69 (1.25 ~ 2.12)

 < 0.001**

2.55 (2.05 ~ 3.04)

 < 0.001*

U1c

5.63 (5.27 ~ 5.98)

 < 0.001**

4.95 (4.65 ~ 5.25)

 < 0.001**

5.05 (4.62 ~ 5.47)

 < 0.001*

U1r

1.75 (1.14 ~ 2.36)

 < 0.001**

1.69 (1.10 ~ 2.28)

 < 0.001**

2.88 (2.25 ~ 3.51)

 < 0.001*

Vertical position (mm)

U6c

 − 1.34 (− 1.60 ~  − 1.08)

 < 0.001**

 − 0.17 (− 0.50 ~ 0.17)

0.265

 − 0.50 (− 0.84 ~  − 0.15)

0.007**

U6r

 − 1.15 (− 1.61 ~  − 0.68)

 < 0.001**

0.03 (− 0.29 ~ 0.34)

0.824

 − 0.25 (− 0.69 ~ 0.19)

0.266

U5c

 − 0.21 (− 0.69 ~ 0.28)

0.389

 − 0.40 (− 0.87 ~ 0.08)

0.109

 − 0.26 (− 0.51 ~  − 0.01)

0.042*

U5r

 − 0.30 (− 0.71 ~ 0.12)

0.153

 − 0.26 (− 0.62 ~ 0.10)

0.126

 − 0.30 (− 0.58 ~  − 0.02)

0.036*

U3c

 − 0.23 (− 0.58 ~ 0.13)

0.181

 − 0.41 (− 0.99 ~ 0.17)

0.166

 − 0.57 (− 0.99 ~  − 0.14)

0.011*

U3r

 − 0.07 (− 0.35 ~ 0.22)

0.584

 − 0.52 (− 1.04 ~ 0.01)

0.049*

 − 0.36 (− 1.30 ~ 0.59)

0.450

U2c

 − 0.31 (− 0.67 ~ 0.05)

0.088

 − 0.41 (− 0.96 ~ 0.15)

0.138

 − 1.08 (− 1.57 ~  − 0.59)

 < 0.001**

U2r

0.14 (− 0.34 ~ 0.62)

0.527

 − 0.72 (− 1.13 ~  − 0.31)

 < 0.001**

 − 1.16 (− 1.63 ~  − 0.68)

 < 0.001**

U1c

0.09 (− 0.38 ~ 0.55)

0.772

 − 0.39 (− 0.95 ~ 0.17)

0.158

 − 1.29 (− 1.85 ~  − 0.72)

 < 0.001**

U1r

0.47 (− 0.27 ~ 1.20)

0.192

 − 0.99 (− 1.50 ~  − 0.48)

0.001*

 − 0.97 (− 1.38 ~  − 0.56)

 < 0.001*

Mesiodistal position (mm)

U6c

0.44 (0.15 ~ 0.73)

0.004**

 − 0.40 (− 0.83 ~ 0.03)

0.044*

0.62 (0.28 ~ 0.96)

0.002**

U6r

 − 1.07 (− 1.49 ~  − 0.65)

 < 0.001**

 − 0.49 (− 1.00 ~ 0.03)

0.040*

0.11 (− 0.32 ~ 0.53)

0.708

U5c

0.10 (− 0.35 ~ 0.55)

0.683

 − 0.59 (− 1.07 ~  − 0.11)

0.021*

0.22 (− 0.74 ~ 1.18)

0.624

U5r

0.22 (− 0.34 ~ 0.78)

0.400

 − 0.69 (− 1.08 ~  − 0.30)

0.002**

0.02 (− 0.32 ~ 0.35)

0.825

U3c

4.41 (3.56 ~ 5.25)

 < 0.001**

3.86 (2.97 ~ 4.75)

 < 0.001**

5.14 (4.11 ~ 6.17)

 < 0.001**

U3r

2.17 (1.38 ~ 2.95)

 < 0.001**

2.59 (1.87 ~ 3.30)

 < 0.001**

3.98 (3.06 ~ 4.89)

 < 0.001**

U2c

 − 0.05 (− 0.72 ~ 0.63)

0.890

0.15 (− 0.35 ~ 0.65)

0.563

0.16 (− 0.23 ~ 0.54)

0.472

U2r

 − 1.12 (− 1.52 ~  − 0.71)

 < 0.001**

 − 0.66 (− 1.13 ~  − 0.19)

0.008**

 − 1.57 (− 2.07 ~  − 1.06)

 < 0.001**

U1c

 − 0.09 (− 0.61 ~ 0.44)

0.753

 − 0.04 (− 0.42 ~ 0.35)

0.850

 − 0.21 (− 0.50 ~ 0.08)

0.132

U1r

 − 0.41 (− 0.79 ~  − 0.03)

0.031*

 − 0.15 (− 0.40 ~ 0.10)

0.210

 − 0.31 (− 0.66 ~ 0.04)

0.080

Buccolingual/labiolingual inclination (°)

U6

 − 6.92 (− 8.67 ~  − 5.13)

 < 0.001**

1.38 (− 1.50 ~ 4.25)

0.328

 − 0.63 (− 3.01 ~ 1.76)

0.588

U5

 − 2.26 (− 3.41 ~  − 1.10)

0.001**

1.27 (− 0.83 ~ 3.36)

0.220

1.30 (0.16 ~ 2.44)

0.027*

U3

2.86 (0.09 ~ 5.62)

0.044*

2.13 (− 0.02 ~ 4.28)

0.054

4.56 (2.80 ~ 6.32)

 < 0.001**

U2

9.07 (7.05 ~ 11.08)

 < 0.001**

7.91 (5.70 ~ 10.11)

 < 0.001**

6.88 (5.31 ~ 8.44)

 < 0.001**

U1

9.00 (7.14 ~ 10.84)

 < 0.001**

8.39 (6.65 ~ 10.12)

 < 0.001**

5.04 (2.82 ~ 7.26)

 < 0.001**

Mesiodistal inclination (°)

U6

4.90 (3.75 ~ 6.04)

 < 0.001**

0.30 (− 1.78 ~ 2.37)

0.769

1.59 (0.26 ~ 2.91)

0.022*

U5

 − 0.04 (− 2.20 ~ 2.12)

0.981

0.32 (− 1.18 ~ 1.81)

0.676

 − 1.52 (− 9.20 ~ 6.17)

0.685

U3

5.12 (3.35 ~ 6.88)

 < 0.001**

3.20 (0.94 ~ 5.46)

0.008**

2.56 (0.45 ~ 4.67)

0.020*

  1. *P < 0.05, **P < 0.01