ABO Ceph UPDATED QUESTIONS AND CORRECT ANSWERS

ABO Ceph UPDATED QUESTIONS AND
CORRECT ANSWERS
What are the Ceph Norms for Caucasians - CORRECT ANSWER SNA 82

SNB 80

ANB 2

Wits -1
FMA 25

SNGoGn 32

U1SN 105

U1NA 3.9

IMPA 95

L1NB 3.6



What are the ceph norms for African Americans - CORRECT ANSWER SNA 85

SNB 79

ANB 4

Wits 0.4

FMA 28

SNGoGn 32
U1SN 109

U1NA 6.4

IMPA 95

L1NB 8.2



What are the Asian Ceph norms? - CORRECT ANSWER SNA 82

SNB 80
ANB 2
SNGoGn 34.3

, FMA 25

U1SN 105

U1NA 3.9

IMPA 954
L1NB 3.6



Normal 1-NA is - CORRECT ANSWER 4mm or 22 degrees



if less than 22 degrees = Class II Div II

if more than 22 degree = Class II Div I


If more than 4mm = incisors too far forward on denture base

If less than 4mm = incisors too far backward on denture base



Normal 1 -NB - CORRECT ANSWER 4mm or 25 degrees



if less than 25 degrees = Class II Div II or Class III
if more than 25 degree = Class II Div I



If more than 4mm = incisors too far forward on denture base

If less than 4mm = incisors too far backward on denture base



What structures are used to superimposed CB - CORRECT ANSWER Saggital (AP)

1. Contour of ant wall of sella

2. Greater wing of spenoid



Vertical

1. Walker Point
2. Cribaform plate