A. Primary roots show less a accessory and lateral canals
B. Primary roots resorb more easily
C. Primary roots are shorter
D. None of the above

A. Wide and deep
B. Shallow and narrow
C. Wide and narrow
D. Shallow and wide

(A) Mandibular first molar
(B) Maxillary first molar
(C) Mandibular second molar
(D) Maxillary second molar

(A) Mesiolingual
(B) Distolingual
(C) Mesiobuccal
(D) Distobuccal

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

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

(A) Mesiobuccal
(B)  Distobuccal
(C)  Mesiolingual
(D) Distolingual

(A) Tight contacts, absence of spacing
(B) Shallow overjet and overbite
(C) Flush terminal plane
(D) Ovoid arch form

(A) 4 yrs
(B)  6 yrs
(C)  8 yrs
(D) 10 yrs

(A)  Height of the lingual cusp
(B)  Mesial inclination of the lingual cusp
(C)  Flattened area beneath the contact on the distal surface
(D) Greater length of the mesial cusp ridge on the lingual cusp [ AIPG- 98]