The eruption age of maxillary permanent lateral incisor is________________?
(A) 8-9 years
(B) 6-7 years
(C) 10-11 years
(D) 8-9 months
Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
(A) Mamelons
(B) Tubercles
(C) Enamel pits
(D) Cingulum
Mesial slope of buccal cusp is longer than distal slope in_________________?
(A) Maxillary 2nd premolar
(B) Maxillary 1st premolar
(C) Mandibular canine
(D) Maxillary canine
The occlusal surface shape of a 3 cusped mandibular second premolar_________________?
(A) Oval
(B) Elliptical
(C) Square
(D) Tetrahedral
Which cusp is poorly developed in a permanent maxillary second molar_____________?
(A) DB
(B) DL
(C) MB
(D) ML
Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?
(A) Buccal
(B) Mesial
(C) Distal
(D) None of the above
In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?
(A) Line connecting mesial with distal is longest
(B) Line connecting mesial with lingual is longest
(C) Line connecting distal with lingual is longest
(D) Angle at the mesio facial canal is obtuse
The premolar with the occlusal groove pattern that may simulate the letter “Y” is________________?
(A) Maxillary first
(B) Maxillary second
(C) Mandibular second
(D) Mandibular first