A. Before lateral incisor
B. Before first molar
C. After first molar
D. After second molar

A. 1-6-2-3-4-7-5-8
B. 2-3-1-6-7-5-4-8
C. 6-1-2-4-3-5-7-8
D. 6-1-2-3-4-5-7-8

A. It is too early to make final predication
B. The teeth may develop later
C. Primary second molar extracted to allow mesial drifting of permanent first molar
D. The child may never develop premolars

A. 1-6-2-3-5-4-7-8
B. 6-1-2-4-5-3-7-8
C. 6-1-2-3-4-5-7-8
D. 6-1-2-4-3-5-7-8

A. 6 EDC21/ 6EDC21
B. 6EDCBA/ 6EDC21
C. EDC21/EDC21
D. 76EDC21/ 7EDC21

A. 20
B. 22
C. 24
D. 30

A. 20 months
B. 18 months
C. 24 months
D. 28 months

A. 3-4 months
B. 4-5 months
C. 5-6 months
D. 6-7 months

A. Premolars, incisors and 1st molars
B. Canine and 2nd molars
C. Canines, premolars and2^ndmolars
D. Incisors and 1st molars

A. 8 months
B. 18 months
C. 8 years
D. 16 years