Area of Study

Measurement

(A1)

(A2)

(B)

Difference
(A1-B)

Maxilla to
Cranial Base

SNA

85

84

1

Mandible to
Cranial Base

SNB
SN-Go-Gn
FMA

79
41
37

77
43
38

2
2
1

Maxillo-
Mandibular

ANB

6

7

1

Maxillary
Dentition

1 to NA (mm)
1 to SN
6-6 (mm) (casts)

4
98
45

2
92
45

2
6
0

Mandibular
Dentition

1 to NB (mm)
1 to Go-Gn
6-6 (mm) (casts)
3-3 (mm) (casts)

10
96
-
29

9
94
-
29

1
2
-
0

Soft Tissues

Esthetic Plane

4

3

1