The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?

Related Mcqs:

1. The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?

   A. Within the incisor thirds
   B. At the junction of middle and cervical thirds
   C. At the linguo cervical ridges
   D. Immediately incisal to cingulam

2. A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?

   A. Neonatal hypoplasia
   B. Amelogenesis imperfecta
   C. Cleidocranial dysplasia
   D. Dentinogenesis imperfecta

3. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

   A. 3-6 years
   B. 7-10 years
   C. 11-14 years
   D. 15- 18 years

4. Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?

   A. Straight
   B. Shallow
   C. Bent
   D. Curved

5. The largest embrasure in posterior teeth is the__________?

   A. Buccal
   B. Distal
   C. Lingual
   D. Occlusal

6. 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

7. The most common sequence of eruption of the permanent maxillary teeth in children is_______________?

   A. 1-6-2-3-4-7-5-8
   B. 2-3-1-6-7-5-4-8
   C. 6-1-2-4-3-5-7-8
   D. 6-1-2-3-4-5-7-8

8. In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

   A. Distobuccal groove
   B. Mesial surface
   C. Mesiobuccal surface
   D. Transverse groove

9. Primary teeth differ from permanent teeth in following aspects ?

   A. Thickness of enamel and dentin
   B. Pulp chambers are longer
   C. Roots are flaring
   D. All of the above

10. Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?

    A. Mamelons
    B. Tubercles
    C. Enamel pits
    D. Cingulum