Table 3 Distribution and significance of the relationship between coronoid process geometric characteristics at different gonial angles.

From: Morphological characteristics of coronoid process and revisiting definition of coronoid hyperplasia

Variables

Distribution of values based on different gonial angles

Significance of relationship between variables at different gonial angles (p-value)

A

B

C

A–B

A–C

B–C

Width (cm)

2.2 ± 0.3

2.3 ± 0.2

2.4 ± 0.2

0.28

0.01

0.02

Height (cm)

1.6 ± 0.3

1.7 ± 0.3

1.8 ± 0.3

0.04

 < 0.01

0.02

Length (cm)

2.1 ± 0.3

2.2 ± 0.3

2.2 ± 0.3

0.45

0.13

0.24

Surface area A (cm2)

1.8 ± 0.6

1.8 ± 0.5

1.9 ± 0.5

0.25

0.12

0.42

Surface area A + B (cm2)

3.4 ± 0.9

3.3 ± 0.8

3.1 ± 0.6

0.81

0.14

0.13

Surface area C (cm2)

1.7 ± 0.5

1.9 ± 0.5

2.2 ± 0.5

0.05

 < 0.01

0.01

Angle X (°)

50.0 ± 9.2

48.3 ± 6.3

45.2 ± 8.4

0.23

0.01

0.01

Angle Y (°)

70.0 ± 10.2

66.7 ± 7.2

66.6 ± 5.9

0.11

0.08

0.38

  1. Gonial angle A (< 120°), B (120–130°), C (> 130°), surface area A: above coronoid process (CP) width line, surface area B: between incisura mandibulae—Alveolar ridge line and width line, surface area C: between CP height and width, angle X: formed by lines placed tangentially to narrowest point of CP with common endpoint lying at highest CP point, angle Y: formed by one line stretched to lowest point of incisura mandibulae and other crossing point where line of width reaches CP anterior part.
  2. *Bold values indicate statistical significance (p < 0.05) with Sidak or Tukey multiple comparison test.
Back to article page