Which of the following are the unctions of contact areas______________?

Related Mcqs:

1. The term” contact point” which is often used to designate the contact of teeth i the same arch is a_____________?

   A. Synonym
   B. Antonym
   C. Misnomer
   D. Laevonomer

2. The mesial contact are of the permanent canine is at the_______________?

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

3. Divergence from contact area in proximal surfaces causes embrasures____________?

   A. Facially
   B. Lingually
   C. Cervically
   D. Facially, lingually , cervically & occlusally

4. The contact area on the distal side of a maxillary first premolar is located _____________?

   A. Middle of the middle third with buccal embrasure wider than lingual
   B. Middle of the middle third with lingual embrasure wider than buccal
   C. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
   D. Cervical third with buccal embrasure wider than lingual embrasure

5. Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?

   A. Mandibular centrals
   B. Mandibular laterals
   C. Both A and B
   D. None of the above

6. Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?

   A. Premolars
   B. 1st and 2ndmolar
   C. 1st premolar and cane
   D. First molar and 2nd premolar

7. 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

8. 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

9. 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

10. 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