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. Call and do radio graphic survey
B. Tell her that it is normal at this age
C. Child has retarded growth
D. Systemic problem

A. 8-9 years
B. 6-7 years
C. 10-11 years
D. 8-9 months

A. 2 years
B. 4 years
C. 6 years
D. 8 years

(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) Permanent central incisors
(B) Decidous maxillary central incisors
(C) Permanent maxillary canines
(D) Permanent mandibular lateral incisors

(A) Buccal surfaces of the permanent molars are flatter
(B) Cervical ridges are more pronounced in permanent molars
(C) Root trunks of deciduous teeth are larger compared with their overall root lengths
(D) Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths

(A) In prism arrangement
(B) in mineral content
(C) No difference in enamel, difference in dentin
(D) None of the above