A. Mandibular first molar
B. Maxillary first molar
C. Mandibular second molar
D. Maxillary second molar
✅ The correct answer is option A. Mandibular first molar.
Oral Anatomy
The premolar alveoli are what shape in cross section_____________?
A. Rectangular
B. Triangular
C. Kidney shaped
D. Oval
✅ The correct answer is option C. Kidney shaped.
The teeth that are retained for the longest period of time are__________________?
A. Maxillary incisors
B. Maxillary canines
C. Mandibular incisors
D. Mandibular canines
✅ The correct answer is option E. B & D.
The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?
A. Distrobuccal, distolingual and Mesiolingual
B. Distolingual, Mesiobuccal, and Linguo buccal
C. Mesiobuccal, Distobuccal and Mesiolingual
D. Mesiolingual, Mesiobuccal and distolingual
✅ The correct answer is option C. Mesiobuccal, Distobuccal and Mesiolingual.
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
✅ The correct answer is option C. Mandibular central incisor.
Calcification of third molar begins at__________________?
A. 8 months
B. 18 months
C. 8 years
D. 16 years
✅ The correct answer is option C. 8 years.
The permanent anterior tooth, which is most 20. Commonly atypical , is_____________?
A. Maxillary central incisor
B. Maxillary lateral incisor
C. Mandibular central incisor
D. Mandibular 1st premolar
✅ The correct answer is option B. Maxillary lateral incisor.
The contact area on the distal surface of a maxillary first premolar should be placed in________________?
A. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
B. Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure
C. Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure
D. Middle 3rd with facial embrasure greater than the lingual embrasure
✅ The correct answer is option A. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure.
The side towards which mandible moves is called the_____________?
A. Tooth contact side
B. Balancing side
C. Working side
D. Non- working side
✅ The correct answer is option C. Working side.
Mesiodistal width is more than cervico- incisal length of crown in_____________?
A. Permanent central incisors
B. Decidous maxillary central incisors
C. Permanent maxillary canines
D. Permanent mandibular lateral incisors
✅ The correct answer is option B. Decidous maxillary central incisors.