Gurumcqs.com offers a comprehensive collection of 2000+ basic and advanced oral anatomy MCQs, complete with answers and detailed explanations. This section is dedicated to covering all essential aspects of the oral anatomy subject, focusing on key topics related to the anatomy of the mouth and teeth. These include Basic Oral Anatomy, Calcification and Eruption of Teeth, Deciduous Dentition, Occlusion, Permanent Dentition, Physiologic Form of Tooth and Periodontium, Osseous Structures, TMJ, and more. The questions are carefully selected from reputable reference books on oral anatomy. These dental anatomy MCQs are valuable for interview preparation, entrance examinations, competitive exams, and certifications, catering to individuals with varying levels of experience, whether they are seasoned professionals, freshers, or students. Additionally, you can explore MCQs on medical topics on the platform.

31. The interdental papilla is located in the______________?

A. Facial embrasure
B. Lingual embrasure
C. Cervical embrasure
D. Occlusal embrasure

32. Protective crests of contour on buccal and lingual surfaces are found______________?

A. In the middle third of the lingual
B. Nearest the occlusal third of the lingual
C. In the cervical third of the buccal
D. Both A and C

33. Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?

A. Maxillary first molar
B. Mandibular second premolar
C. Mandibular first molar
D. Maxillary second premolar

34. Which of the following are the unctions of contact areas______________?

A. Distribution of occlusal stresses
B. Protection of periodontium
C. Stabilization of dental arches
D. All of the above

35. Which four mandibular teeth are so aligned that when viewed from the occlusal, a straight line may be drawn bisecting the contact areas_____________?

A. 5,6,7,8
B. 4,5,6,7
C. 3,4,5,6
D. 2.3.4.5

36. 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

37. Which of the following do not contribute to arch stability ?

A. Cusps
B. Root forms
C. Embrasures
D. Periodontal fibers

38. Mesial contact area of the permanent canine is at the______________?

A. Middle third
B. Junction of the incisal and middle thirds
C. Junction of the middle and cedrvical thirds
D. None of the above

39. Distal contact of upper first premolar is________________?

A. Lower than mesial contact area
B. Little cervical to junction of occlusal and middle third of crown
C. Higher than mesial contact area
D. A and B

40. 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