The two major fossa of permanent maxillary first molar________________?
(A) Central fossa and mesial fossa
(B) Central and distal fossa
(C) Mesial and distal tringular fossa
(D) Distal fossa and distal tringaular fossa
Which of the following is true for permanent teeth________________?
(A) Maxillary roots are inclined distally where as Mandibular roots are inclined mesially
(B) Maxillary molars are buccally inclined and Mandibular molars are inclined lingually
(C) Buccal cusps of lower and lingual cusps of upper are the functional cusp
(D) All of the above
Which of the following is true of permanent first molar’s occlusal surface_____________?
(A) Maxillary molar has 2 major fossa, 2 minor fossa, 4 triangular ridges,1 oblique ridge and 5 grooves
(B) Mandibular molar has 1 major fossa, 2 minor fossa, 5 triangular ridges and 4 grooves
(C) Rhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars
(D) All of the above
The maxillary tooth exhibiting the greatest variation in root alignment is______________?
(A) Central incisor
(B) First premolar
(C) Third molar
(D) Second molar
The root trunk of permanent mandibular first molar buccally is______________?
(A) Equal is length to the mesial bifurcation of the maxillary first molar
(B) Equal is length to the buccal bifurcation of the maxillary first molar
(C) equal in length to the crown
(D) None of the above
Which of the following permanent teeth is usually bilaterally symmetric when viewed labially and incissaly ______________?
(A) Mandibular lateral incisor
(B) Mandibular canine
(C) Mandibular central incisor
(D) Maxillary central incisor
Maxillary first molar has how many roots ?
(A) 1 facial and 2 lingual
(B) 1 lingual and 2 facial
(C) 1 mesial and 2 buccal
(D) 1 mesial and 1 distal
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