Parameters

Twin block

Modification

p

M±σ

M±σ

S-N

1,15±0,56

2,34±1,10

***

ANS-PNS

0,93±1,94

2,66±1,07

***

SNA

-0,29±1,02

1,00±1,21

*

A-N perp FH

0,04±1,09

0,27±1,16

Pg-N perp FH 

5,00±1,42

3,59±1,57

Co-Gn

5,70±2,49

3,57±1,77

Go-Me

2,62±2,12

3,63±1,48

SNB

1,25±1,39

3,69±1,01

***

SN/GoGn

0,13±1,59

1,96±2,02

Gonial angle

2,08±2,62

1,73±1,89

ML/FH

0,31±2,32

1,41±2,61

SArGo

1,25±4,25

0,33±3,80

WITS

-3,99±1,29

-2,89±0,80

Co-A

1,82±2,44

0,76±1,99

Max-Mand diff.

3,85±2,04

2,81±2,72

ANB

-1,46±1,01

-2,87±0,89

***

PL/ML

-1,11±1,81

0,11±1,85

Up. inc.-NA angle 

-4,04±3,16

-7,25±4,97

***

Up. inc.-NA distance

-1,72±1,06

-2,00±1,73

Low. inc.-NB angle

1,65±1,80

4,95±3,41

Low. inc.-NB distance

1,30±1,15

1,46±1,39

Pg-NB distance

0,84±0,68

-0,64±1,36

***

Holdaway

0,30±1,60

1,72±1,23

***

Overjet

-4,58±1,59

-4,43±1,41

Overbite

-2,15±1,72

-1,26±0,93

Okl/SN

2,99±1,99

1,63±2,19

Alt k/ML

-0,13±5,04

4,04±1,68

Inter-incisal

11,30±7,89

3,01±7,43

N-ANS

1,39±1,35

3,18±0,96

***

ANS-Me

3,05±1,41

2,41±2,50

N-Me

4,5±1,66

5,27±1,20

S-Go

3,16±1,53

4,90±1,83

Upper lip-E distance 

0,13±2,10

-1,45±1,80

***

Lower lip-E distance 

-0,14±2,19

-1,09±2,25

Interlabiale

-2,31±2,82

-1,53±2,05

Nasolabial angle

5,42±5,80

1,56±6,68

Labiomental angle

15,63±12,72

14,03±13,15