A. Maxillary canine
B. Mandibular canine
C. Mandibular first molar
D. Maxillary first molar
✅ The correct answer is option D. Maxillary first molar.
Oral Anatomy
The root completion of permanent teeth is achieved after __________ years o eruption?
A. 1-1½
B. 2-3
C. 3-4
D. 4-5
✅ The correct answer is option B. 2-3.
Ratio of mesiodistal width to height of crown of maxillary canine is______________?
A. 6:10
B. 8:10
C. 6:8
D. 7:10
✅ The correct answer is option B. 8:10.
Contact areas of anterior teeth which are placed in centre of middle third ____________?
A. Mesial contacts of maxillary lateral and canine
B. Distal contacts of maxillary centrals and laterals
C. Distal contacts of maxillary laterals and canine
D. Mesial contacts of maxillary first and second premolar
✅ The correct answer is option C. Distal contacts of maxillary laterals and canine.
IN occlusion, the teeth have______________?
A. Cusp – to – cusp contact
B. Edge- to – edge contact
C. Marginal contact
D. Surface – to- surface contact
✅ The correct answer is option D. Surface – to- surface contact.
Difference between mandibular and maxillary premolars is that in the mandibular premolars ?
A. The buccal and lingual cusps are more prominent
B. The lingual cusp is sharper and longer
C. The lingual surface rounded and less developed
D. The buccal surface is rounded and less developed
✅ The correct answer is option C. The lingual surface rounded and less developed.
The maxillary teeth which have single antagonist are__________?
A. Lateral incisors
B. Permanent canines
C. Permanent central incisors
D. Third molars
✅ The correct answer is option D. Third molars.
Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
A. Maxillary canine
B. Maxillary 1st premolar
C. Mandibular 1st premolar
D. Maxillary 2nd premolar
✅ The correct answer is option B. Maxillary 1st premolar.
Which of the following muscle helps in depressing the mandible ___________?
A. Temporalis
B. Massetor
C. Lateral pterygoid
D. Medial pterygoid
✅ The correct answer is option C. Lateral pterygoid.
The interdental papilla is located in the______________?
A. Facial embrasure
B. Lingual embrasure
C. Cervical embrasure
D. Occlusal embrasure
✅ The correct answer is option C. Cervical embrasure.