The term diphydont means____________?
(A) Second dentition
(B) Two same sets of dentition
(C) Two separate sets of dentition
(D) More than two sets of dentition
The number of point angles in a permanent mandibular first molar is_____________?
(A) 6
(B) 8
(C) 4
(D) 10
Which of the following tooth shows largest Mesio- buccal ridge _____________?
(A) Maxillary 1st premolar
(B) Maxillary 2nd premolar
(C) Mandibular 1st molar
(D) Mandibular 2nd premolar
According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?
(A) 1½ 2 years
(B) 2½ – 3 years
(C) 3-4 years
(D) 3-5 years
Crown formation of all permanent teeth except third molars is completed between_____________?
(A) Birth to 8 years
(B) Birth to 12 years
(C) Birth to 6 years
(D) 6 years to 12 years
An 8 – yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?
(A) Smoothen the jagged margins and apply fluoride varnish
(B) Build up other teeth to large size
(C) Extraction of big teeth
(D) Assure him and send him back
Ratio of mesiodistal width to height of crown of maxillary canine is______________?
(A) 6:10
(B) 8:10
(C) 6:8
(D) 7:10
Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
(A) Maxillary lateral incisor & mandibular canine
(B) Maxillary 2nd premolar & maxillary 1st molar
(C) Maxillary 2nd premolar & mandibular canine
(D) Maxillary 1st molar & mandibular 2nd premolar
The number of line angles a permanent maxillary central incisor is_____________?
(A) Two
(B) Four
(C) Six
(D) Eight
The shape of the occlusal surface of the permanent maxillary first molar is___________?
(A) Oval
(B) Trapezoidal
(C) Triangular
(D) Rhomboidal