Measurement
Case
Group
Sex
3 years
6 years
9 years
12 years
20 years
SNA angle
0021
006
Female
 
82,0
82,0
82,0
81,5
SNA angle
0108
003
Female
82,0
85,0
82,5
82,5
83,5
SNA angle
0114
003
Female
80,0
78,5
77,5
77,5
79,0
SNA angle
0142
003
Female
79,5
80,0
78,5
77,5
78,0
SNA angle
0158
006
Female
 
84,0
84,0
86,0
87,0
SNA angle
0188
003
Female
82,5
83,0
81,0
83,0
83,5
SNA angle
0316
003
Female
87,5
87,5
86,0
86,0
85,5
SNA angle
0336
003
Female
78,5
79,0
78,5
79,0
80,0
SNA angle
0368
003
Female
82,0
81,5
82,0
82,5
83,5
SNA angle
0454
003
Female
80,5
81,5
82,0
82,0
83,0
SNA angle
0465
003
Female
80,0
80,0
80,0
81,5
81,5
SNA angle
0487
003
Female
85,0
86,0
84,0
81,5
83,5
SNA angle
0631
003
Female
83,5
84,5
82,5
83,5
84,0
SNA angle
0674
006
Female
 
78,0
76,0
75,0
75,5
SNA angle
0793
006
Female
 
79,0
77,5
78,0
80,0
SNA angle
0874
003
Female
88,5
85,5
84,0
84,0
84,0
SNA angle
1014
006
Female
 
78,0
75,0
76,5
77,5
SNA angle
1173
006
Female
 
81,0
83,5
81,5
81,0
SNA angle
1199
006
Female
 
85,0
82,5
84,0
82,5
SNA angle
1311
006
Female
 
84,0
81,5
83,0
83,5
SNA angle
1326
006
Female
 
81,5
82,0
82,0
81,5
SNA angle
1346
006
Female
 
78,5
78,0
78,0
77,5
SNA angle
0106
003
Male
75,5
75,0
74,5
74,5
76,5
SNA angle
0121
003
Male
77,0
79,5
79,5
78,5
82,0
SNA angle
0209
003
Male
82,5
81,0
80,0
82,0
79,5
SNA angle
0255
003
Male
75,0
74,5
75,0
76,5
78,5
SNA angle
0296
003
Male
77,5
77,5
78,5
79,0
78,0
SNA angle
0405
006
Male
 
80,0
77,5
79,0
80,0
SNA angle
0468
003
Male
82,5
84,0
84,0
85,0
85,0
SNA angle
0611
003
Male
80,0
80,5
81,0
81,0
83,5
SNA angle
0621
003
Male
83,5
85,0
85,0
86,0
86,5
SNA angle
0624
003
Male
82,5
82,0
82,0
82,5
82,5
SNA angle
0629
003
Male
80,5
82,5
80,5
81,0
83,0
SNA angle
0634
003
Male
82,0
82,5
80,5
82,0
82,5
SNA angle
0641
003
Male
82,0
82,0
82,0
83,5
85,0
SNA angle
0719
003
Male
84,5
85,5
83,5
84,0
84,5
SNA angle
0763
003
Male
89,0
88,0
87,0
87,5
88,5
SNA angle
0871
003
Male
83,5
83,5
81,5
82,0
82,0
SNA angle
1000
006
Male
 
86,0
83,5
84,5
85,0
SNA angle
1094
006
Male
 
83,5
83,0
84,5
85,5
SNA angle
1110
006
Male
 
76,5
76,5
77,0
80,0
SNA angle
1114
006
Male
 
80,0
79,0
80,0
78,5
SNA angle
1185
006
Male
 
77,5
79,0
79,0
76,5
SNA angle
1297
003
Male
77,0
77,0
75,5
75,0
77,0
SNA angle
1309
006
Male
 
72,0
71,5
70,0
71,0
SNA angle
1320
006
Male
 
82,0
84,0
85,5
87,5
SNA angle
1324
006
Male
 
82,0
81,0
82,5
86,5
SNA angle
1325
006
Male
 
83,5
80,0
81,5
82,0
SNA angle
1337
006
Male
 
83,0
82,0
83,0
85,0
SNA angle
1380
006
Male
 
76,0
77,0
77,0
76,5
SNA angle
1381
006
Male
 
78,5
78,5
77,0
78,5
SNA angle
1382
006
Male
 
81,0
80,5
81,5
84,0
 
 
 
 
 
 
 
 
 
 
 
F E M A L E
YEARS OLD AGE
3 years
6 years
9 years
12 years
20 years
ARITHMETIC MEAN
82.375
81.955
80.932
81.205
81.659
EXTREM VALUES: UPPER
88.500
87.500
86.000
86.000
87.000
LOWER
78.550
78.000
75.000
75.000
75.500
AMPLITUDE OF VARIATIONS
10.000
9.500
11.000
11.000
11.500
STANDARD DESVIATION
3.110
2.828
2.838
2.957
2.802
COEFICIENT OFF VARIATION
3.775
3.451
3.506
3.641
3.431
STANDARD ERROR OF THE MEAN
0.898
0.603
0.605
0.630
0.597
LIMITS OF CONFIDENCE UPPER
83.987
82.992
81.973
82.289
82.687
LOWER
80.763
80.917
79.891
80.120
80.631
M A L E
YEARS OLD AGE
3 years
6 years
9 years
12 years
20 years
ARITHMETIC MEAN
80.906
80.717
80.100
80.733
81.700
EXTREM VALUES: UPPER
89.000
88.000
87.000
87.500
88.500
LOWER
75.000
72.000
71.500
70.000
71.000
AMPLITUDE OF VARIATIONS
14.000
16.000
15.500
17.500
17.500
STANDARD DESVIATION
3.615
3.669
3.358
3.829
3.985
COEFICIENT OFF VARIATION
4.468
4.549
4.192
4.743
4.877
STANDARD ERROR OF THE MEAN
0.904
0.670
0.613
0.699
0.727
LIMITS OF CONFIDENCE UPPER
82.491
81.855
81.141
81.921
82.936
LOWER
79.322
79.579
79.059
79.546
80.464
 
 
 
 
                                 Gráficos do ângulo SNA 
 
Ângulos SNA diminuindo com o crescimento 
 
        
 
 
Comportamento do ângulo SNA no crescimento