Table 1: Cephalometric parameters in the twin block group.
|
Parameters |
T1 |
T2 |
T2-T1 |
p |
|
M±σ |
M±σ |
M±σ |
||
|
S-N |
70,49±3,09 |
71,64±3,09 |
1,15±0,56 |
*** |
|
ANS-PNS |
58,41±3,64 |
59,34±4,70 |
0,93±1,94 |
* |
|
SNA |
82,43±3,19 |
82,14±3,23 |
-0,29±1,02 |
|
|
A-N perp FH |
0,58±2,13 |
0,62±1,92 |
0,04±1,09 |
|
|
Pg-N perp FH
|
-6,88±3,35 |
-1,88±4,05 |
5,00±1,42 |
*** |
|
Co-Gn |
110,00±8,40 |
115,70±9,33 |
5,70±2,49 |
*** |
|
Go-Me |
67,92±10,78 |
70,54±12,20 |
2,62±2,12 |
*** |
|
SNB |
75,54±3,15 |
76,79±3,24 |
1,25±1,39 |
** |
|
SN/GoGn |
33,66±3,93 |
33,79±3,77 |
0,13±1,59 |
|
|
Gonial angle |
123,46±3,18 |
125,54±3,40 |
2,08±2,62 |
|
|
ML/FH |
23,71±3,71 |
24,02±4,45 |
0,31±2,32 |
|
|
SArGo |
137,21±5,80 |
138,46±4,53 |
1,25±4,25 |
|
|
WITS |
6,35±2,76 |
2,33±2,23 |
-3,99±1,29 |
*** |
|
Co-A |
89,19±5,43 |
91,02±6,29 |
1,82±2,44 |
** |
|
Max-Mand diff. |
20,83±5,91 |
24,68±5,57 |
3,85±2,04 |
*** |
|
ANB |
6,45±2,13 |
4,99±2,30 |
-1,46±1,01 |
*** |
|
PL/ML |
24,88±4,78 |
23,77±4,74 |
-1,11±1,81 |
|
|
Up. inc.-NA angle
|
24,50±5,33 |
20,46±4,75 |
-4,04±3,16 |
*** |
|
Up. inc.-NA distance |
5,60±1,44 |
3,88±1,46 |
-1,72±1,06 |
*** |
|
Low. inc.-NB angle |
20,55±5,68 |
22,19±6,81 |
1,65±1,80 |
|
|
Low. inc.-NB distance |
4,09±1,35 |
5,39±1,02 |
1,30±1,15 |
*** |
|
Pg-NB distance |
3,02±1,04 |
3,86±1,26 |
0,84±0,68 |
*** |
|
Holdaway |
1,07±2,01 |
1,37±1,70 |
0,30±1,60 |
|
|
Overjet |
8,36±1,63 |
3,78±0,75 |
-4,58±1,59 |
*** |
|
Overbite |
4,46±1,98 |
2,31±1,41 |
-2,15±1,72 |
** |
|
Okl/SN |
15,05±3,41 |
18,04±4,39 |
2,99±1,99 |
*** |
|
Alt k/ML |
97,11±6,40 |
96,98±6,28 |
-0,13±5,04 |
|
|
Inter-incisal |
118,42±6,96 |
129,72±7,22 |
11,30±7,89 |
*** |
|
N-ANS |
55,33±4,16 |
55,75±3,84 |
1,39±1,35 |
** |
|
ANS-Me |
64,41±6,28 |
67,46±7,21 |
3,05±1,41 |
*** |
|
N-Me |
115,26±8,97 |
119,76±9,48 |
4,5±1,66 |
*** |
|
S-Go |
73,28±6,79 |
76,44±6,89 |
3,16±1,53 |
*** |
|
Upper lip-E distance |
0,62±2,49 |
0,75±1,43 |
0,13±2,10 |
|
|
Lower lip-E distance |
0,89±2,52 |
0,75±1,47 |
-0,14±2,19 |
|
|
Interlabiale |
2,37±2,82 |
0,06±0,05 |
-2,31±2,82 |
** |
|
Nasolabial angle |
126,08±8,70 |
131,50±8,95 |
5,42±5,80 |
** |
|
Labiomental angle |
127,27±14,13 |
142,90±13,11 |
15,63±12,72 |
*** |
T1: before treatment; T2: after treatment.
*: p<0,05;
**: p<0,01; ***: p<0,001.