Norms Flashcards
1
Q
SNA
A
82
2
Q
SNB
A
80
3
Q
ANB
A
2
4
Q
SN-MP
A
32
5
Q
FMA
A
24
6
Q
IMPA
A
93
7
Q
U1-SN
A
103
8
Q
U1-NA
A
4
9
Q
L1-NB
A
4
10
Q
U lip - E line
A
-6
11
Q
L lip - E line
A
-2
12
Q
What is SMI 6?
A
peak statural growth
Capping of the third finger, middle phalanx occurs
13
Q
What is SMI 7?
A
Peak jaw velocity
capping of the fifth finger, middle phalanx occurs
14
Q
About how much growth remains at SMI 6?
A
3 more years
25-65%
15
Q
What is the ratio of vertical condylar growth to horizontal condylar growth?
A
8:1 mm ratio Vert:hor growth
16
Q
Combined, the U and L 6s erupt ~ ___mm per year.
A
2 (1mm each)
17
Q
Except for gonial angle, most angles will change < ___ degrees during 2.5 years of treatment
A
1 degree