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Progress in Orthodontics

Table 2 Comparisons of cephalometric measurements between control, hypodontia, and oligodontia

From: Examination of craniofacial morphology in Japanese patients with congenitally missing teeth: a cross-sectional study

 

Control (C)

(n = 63)

Hypodontia (H)

(n = 56)

Oligodontia (O)

(n = 50)

C–H

C–O

H–O

Mean

S.D.

Mean

S.D.

Mean

S.D.

P value

P value

P value

Angular measurements

 SNA

0.00

1.06

0.14

0.83

− 0.36

0.98

0.702

0.129

0.024*

 SNB

0.65

1.45

0.58

1.22

0.71

1.65

0.962

0.972

0.885

 A-B plane angle

0.98

1.05

0.25

1.68

1.28

2.06

0.038*

0.599

0.004**

 Mandibular plane angle

− 0.61

1.45

− 0.40

1.32

− 0.78

1.15

0.661

0.772

0.299

 Gonial angle

− 0.07

1.47

− 0.55

2.83

− 0.61

2.26

0.481

0.411

0.988

 Ramus inclination

− 0.55

1.17

− 0.36

1.36

− 0.66

1.45

0.732

0.887

0.475

 U1 to FH plane

1.75

1.94

0.10

2.63

0.68

3.19

0.002**

0.077

0.486

 L1 to mandibular plane

− 0.13

1.20

− 0.45

1.45

− 0.83

1.68

0.454

0.029*

0.360

Linear measurements

 Ba-N

0.11

1.44

0.24

1.58

0.53

1.32

0.877

0.283

0.565

 Ptm-A

0.32

1.25

0.38

0.86

− 0.23

0.84

0.944

0.013*

0.007**

 Ar-Go

0.80

1.42

0.36

1.50

0.61

1.36

0.220

0.767

0.642

 Go-Pog

0.98

1.26

0.54

1.16

0.66

1.15

0.107

0.319

0.865

 N-Me

0.64

1.32

0.31

1.36

0.33

1.38

0.420

0.449

1.000

 ANS-Me

− 0.22

0.94

− 0.24

1.11

− 0.94

1.07

0.993

0.001**

0.002**

 ANS-U1

− 0.98

1.17

− 0.50

1.53

− 1.26

1.64

0.175

0.553

0.020*

 U1-L1

− 0.87

1.63

0.21

1.98

0.51

2.17

0.007**

0.001**

0.701

  1. Each number represents the Z-score [(measurement-norm)/SD]. *P < 0.05, **P < 0.01
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