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Progress in Orthodontics

Table 2 Bone width in millimeters of the maxillary and mandibular body

From: Craniofacial height in relation to cross-sectional maxillary and mandibular morphology

 

High-angle group

Normal-angle group

Low-angle group

Significance

 

\( \overline{x} \)

Range

SD

\( \overline{x} \)

Range

SD

\( \overline{x} \)

Range

SD

Overall

Multiple comparisons

High-normal

Normal-low

High-low

Maxilla

 UP-MOL-R

W1

14.2

10.2–17.7

1.6

14.1

11.7–17.6

1.3

13.7

9.9–17.1

1.5

0.263

0.953

0.425

0.272

W2

16.1

10.5–21.4

2.4

15.9

12.7–21.9

1.9

15.9

10.5–21.0

2.1

0.899

0.913

1.000

0.919

 UP-PRE-R

W1

9.0

5.5–11.7

1.3

9.3

7.0–11.9

1.1

9.2

7.13–11.8

1.2

0.239

0.208

0.655

0.690

W2

10.4

6.6–16.4

2.2

10.4

6.2–15.5

1.8

10.6

7.3–15.9

2.0

0.815

0.976

0.908

0.804

 UP-MID

W1

6.9

4.8–10.5

1.4

7.1

4.9–8.8

1.0

6.9

4.1–10.5

1.4

0.631

0.652

0.721

0.993

W2

12.6

7.4–17.1

2.1

12.0

7.5–16.4

2.5

12.3

8.4–19.3

2.5

0.262

0.231

0.724

0.657

 UP-PRE-L

W1

9.0

5.7–12.1

1.2

9.3

6.2–12.3

1.1

9.1

7.3–12.4

1.2

0.539

0.508

0.873

0.813

W2

10.0

6.5–16.3

1.9

10.4

7.1–14.1

1.7

10.5

6.4–17.1

2.0

0.345

0.458

0.990

0.381

 UP-MOL-L

W1

13.8

10.8–18.1

1.7

13.8

11.4–16.0

1.2

13.4

10.2–16.8

1.3

0.175

0.994

0.261

0.218

W2

15.9

10.2–20.4

2.1

15.9

12.0–18.9

1.8

15.3

10.2–19.8

1.9

0.292

0.728

0.694

0.259

Mandible

 LO-MOL-R

W1

12.8

7.5–17.0

1.9

13.0

9.2–16.4

1.9

13.2

6.8–17.8

2.0

0.460

0.730

0.879

0.432

W2

10.8

6.3–14.3

1.6

11.0

6.2–14.1

1.6

10.7

6.2–14.6

1.6

0.661

0.817

0.646

0.956

 LO-PRE-R

W1

9.7

7.0–13.5

1.7

10.4

5.1–15.8

2.1

10.6

6.3–15.4

1.9

0.035*

0.138

0.824

0.035*

W2

9.4

5.6–12.4

1.7

10.0

5.6–13.7

1.8

9.8

5.8–14.2

1.7

0.122

0.111

0.801

0.352

 LO-MID

W1

6.4

2.5–10.3

1.5

7.3

4.0–11.6

1.6

8.2

4.8–12.1

1.6

0.000*

0.004*

0.006*

0.000*

W2

12.3

7.7–17.0

2.1

13.5

8.6–22.8

2.4

14.1

7.3–17.7

1.9

0.000*

0.005*

0.282

0.000*

 LO-PRE-L

W1

9.5

6.5–13.7

1.6

10.4

5.8–15.5

2.0

10.5

6.5–15.4

2.0

0.005*

0.025*

0.914

0.008*

W2

9.4

5.7–12.9

1.8

10.2

6.2–13.9

1.7

10.0

6.2–14.6

1.7

0.045*

0.045*

0.833

0.164

 LO-MOL-L

W1

13.0

7.0–17.1

1.9

13.3

9.0–17.0

1.9

13.3

6.2–17.1

2.0

0.528

0.677

0.970

0.529

W2

10.6

7.0–14.0

1.4

11.0

5.4–14.6

1.7

10.9

7.1–14.9

1.6

0.812

0.420

0.888

0.706

  1. W1 demonstrates the coronal width measurements, and W2 demonstrates the apical width measurements. Y-axis (mm)
  2. UP-MOL-R upper molar right, UP-PRE-R upper premolar right, UP-MID upper midline, UP-PRE-L upper premolar left, UP-MOL-L upper molar left, LO-MOL-R lower molar right, LO-PRE-R lower premolar right, LO-MID lower midline, LO-PRE-L lower premolar left, LO-MOL-L lower molar left, \( \overline{x} \) mean value
  3. *Statistically significant difference (p value < 0.05)
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