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Table 4 Statistical side comparisons of dentoalveolar variables in the control group and UPCB group

From: Three-dimensional quantitative analysis of dental and skeletal characteristics of skeletal Class I unilateral posterior crossbite in adults

 

Control group

  

UPCB group

  

Right side

Left side

  

Crossbite side

Non-crossbite side

  

Mean ± SD

Mean ± SD

t value

P value

Mean ± SD

Mean ± SD

t value

P value

Linear measurements

Maxillary transverse width—premolar

        

 Premolar (mm)

24.28 ± 2.16

25.31 ± 1.52

− 1.808

0.086

26.19 ± 2.62

23.98 ± 1.69

3.909

0.001*

 Buccal alveolar crest (mm)

26.11 ± 1.92

26.35 ± 1.83

− 0.457

0.645

26.56 ± 1.66

25.43 ± 1.34

2.729

0.013*

 Buccal midalveolar (mm)

26.95 ± 2.05

26.99 ± 1.59

− 0.076

0.940

27.32 ± 1.70

27.14 ± 1.88

0.505

0.620

 Palatal alveolar crest (mm)

17.20 ± 2.11

17.47 ± 1.82

− 0.520

0.609

18.10 ± 2.09

16.93 ± 1.41

2.443

0.024*

 Palatal midalveolar (mm)

13.67 ± 1.63

14.29 ± 1.62

− 1.223

0.236

13.64 ± 1.64

14.38 ± 2.06

− 1.725

0.101

Maxillary transverse width—molar

        

 Molar (mm)

27.58 ± 2.03

28.37 ± 1.63

− 1.784

0.090

29.59 ± 2.52

26.44 ± 1.34

4.955

0.000*

 Buccal alveolar crest (mm)

29.05 ± 2.00

29.59 ± 1.63

− 1.317

0.204

29.32 ± 3.21

28.56 ± 1.60

0.966

0.346

 Buccal midalveolar (mm)

32.02 ± 1.88

32.29 ± 1.93

− 0.689

0.499

31.47 ± 3.38

31.58 ± 1.77

− 0.155

0.878

 Palatal alveolar crest (mm)

17.61 ± 1.79

18.31 ± 1.32

− 1.810

0.086

18.62 ± 2.28

17.17 ± 1.23

2.605

0.017*

 Palatal midalveolar (mm)

15.11 ± 1.51

15.49 ± 1.39

− 0.882

0.389

15.77 ± 2.03

15.11 ± 1.75

1.295

0.211

Mandibular transverse width—premolar

        

 Premolar (mm)

20.18 ± 2.34

21.45 ± 1.40

− 2.302

0.033*

25.77 ± 3.12

18.00 ± 1.05

9.764

0.000*

 Buccal alveolar crest (mm)

23.80 ± 2.11

24.57 ± 1.61

− 1.340

0.196

28.47 ± 2.08

20.26 ± 1.66

13.279

0.000*

 Buccal midalveolar (mm)

24.97 ± 2.26

26.25 ± 1.89

− 1.859

0.079

29.05 ± 2.77

20.73 ± 1.72

10.687

0.000*

 Lingual alveolar crest (mm)

15.98 ± 2.37

17.04 ± 1.37

− 1.677

0.110

21.03 ± 2.86

13.52 ± 2.77

6.731

0.000*

 Lingual midalveolar (mm)

11.14 ± 3.18

12.31 ± 1.83

− 1.450

0.163

18.63 ± 2.72

9.18 ± 5.39

9.343

0.000*

Mandibular transverse width—molar

        

 Premolar (mm)

24.09 ± 1.98

25.51 ± 1.30

− 3.380

0.003*

29.07 ± 2.05

22.65 ± 1.65

12.467

0.000*

 Buccal alveolar crest (mm)

28.01 ± 1.94

29.18 ± 1.51

− 2.437

0.025*

32.70 ± 2.06

24.981 ± 1.52

13.440

0.000*

 Buccal midalveolar (mm)

30.65 ± 2.24

32.24 ± 1.67

− 2.586

0.018*

34.89 ± 2.22

26.45 ± 1.66

11.895

0.000*

 Lingual alveolar crest (mm)

18.30 ± 2.17

19.55 ± 1.43

− 2.446

0.024*

23.71 ± 1.81

15.31 ± 1.37

16.887

0.000*

 Lingual midalveolar (mm)

15.99 ± 2.36

17.00 ± 1.68

− 1.717

0.102

21.99 ± 2.65

12.23 ± 1.84

15.682

0.000*

Angular measurements

Inclinations if maxillary teeth

        

 Premolar (°)

0.67 ± 5.22

1.52 ± 3.29

− 0.740

0.468

3.90 ± 6.82

− 1.43 ± 4.36

3.198

0.005*

 Molar (°)

3.90 ± 5.04

7.63 ± 3.61

− 3.409

0.003*

9.25 ± 8.38

0.14 ± 3.90

4.104

0.001*

Inclinations if mandibular teeth

        

 Premolar (°)

− 9.08 ± 5.22

− 10.64 ± 4.03

1.198

0.246

− 13.91 ± 5.35

− 3.85 ± 4.75

− 6.519

0.000*

 Molar (°)

− 15.47 ± 3.55

− 15.95 ± 4.11

0.323

0.751

− 17.45 ± 6.20

− 9.27 ± 5.09

− 4.542

0.000*

  1. SD standard deviation; UPCB unilateral posterior crossbite
  2. Statistically significant when *(P < 0.05)