Table 1 Descriptive statistics of| the deviations of three groups’ miniscrew

Miniscrew tip at BP (mm)

1.4383 ± 0.79025

0.6090

2.2677

3.2733 ± 1.56759

2.0684

4.4783

3.0560 ± 2.75783

1.5288

4.5832

5.593

0.061

Miniscrew cap at BP (mm)

0.9383 ± 1.14341

−0.2616

2.1383

2.5500 ± 1.50330

1.3945

3.7055

3.8600 ± 5.27122

0.9409

6.7791

7.057

0.029*

Miniscrew angle at BP (°)

4.5667 ± 2.36107

2.0889

7.0445

7.4889 ± 4.68467

3.8879

11.0898

9.3667 ± 12.54920

2.4172

16.3162

1.075

0.584

Miniscrew tip at MD (mm)

1.3700 ± 1.01453

0.3053

2.4347

3.3244 ± 1.45396

2.2068

4.4421

2.9733 ± 1.63841

2.0660

3.8807

6.380

0.041*

Miniscrew cap at MD (mm)

1.6083 ± 1.91491

−0.4012

3.6179

2.3789 ± 1.65812

1.1043

3.6534

2.7687 ± 2.09217

1.6101

3.9273

2.424

0.298

Miniscrew angle at MD (°)

7.7500 ± 8.14267

−0.7952

16.2952

6.7111 ± 3.84820

3.7531

9.6691

10.7533 ± 6.49724

7.1553

14.3514

3.941

0.139

Miniscrew tip at VD (mm)

0.5450 ± 0.60879

−0.0939

1.1839

0.9722 ± 0.81269

0.3475

1.5969

3.2853 ± 2.43316

1.9379

4.6328

14.176

0.001**

Miniscrew cap at VD (mm)

0.6150 ± 0.67299

−0.0913

1.3213

1.1078 ± 0.81558

0.4809

1.7347

3.9620 ± 5.81445

0.7421

7.1819

14.346

0.001**

Miniscrew angle at VD (°)

9.5167 ± 10.42332

−1.4219

20.4553

10.6444 ± 9.11785

3.6358

17.6530

14.6867 ± 8.21461

10.1376

19.2358

3.137

0.208