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Table 2 Comparison of results of the cephalometric analysis of skeletal, dento-alveolar and soft tissue factors of the Polish study material compared to the control group (Björk)

From: The Polish face in profile: a cephalometric baseline study

 

Supplementary values

 

Wits appraisal

 

Mean Björk

SD/Range

Polish average

Polish SD

20

Wits

 

0.0mm

 

0.70mm

3.14mm

 

Jaw lengths (to Porion)

     

21

Maxilla

Po-A 

mm

 

89.62mm

5.34mm

22

Mandible

 Po-B

mm

 

102.14mm

6.29mm

23

Relative jaw length

 

%

 

87.79

3.09

 

Incisal inclination to OP

     

24

Maxillary

Ils/OP

60.7°

 

63.18°

6.26°

25

Mandibular

Ili/OP

72.0°

 

69.55°

6.67°

26

Inter-incisal angle

 

132.0°

 

132.73°

10.09°

 

Incisal relationship

     

27

Maxillary incisor proclination

Iis/NA

  

21.50o

7.47°

28

Maxillary incisor protrusion

Is-NA

  

3.04o

2.49°

29

Mandibular incisor proclination

Ili/NB

  

23.21o

6.05°

30

Mandibular incisor protrusion

Ii-NB

  

3.29o

2.17°

31

ii to A-pg

 

1.0 mm

 

0.85mm

2.22mm