Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?

Related Mcqs:

1. The curvature of the cervical line of most teeth will be approximately____________?

   A. 2 mm less distally than mesially
   B. 1 mm less distally than mesially
   C. 2 mm less lingually than buccally
   D. 1 mm less lingually than buccally

2. A 20yr old patient reports with multiple swelling of the jaws. Clinical examination reveals multiple hard swellings involving the jaws and intra orally several missing teeth are noticed. Panoramic radiograph reveals multiple radio opaque lesions in the maxilla and the mandible with multiple impacted teeth and supernumerary teeth indicative of Gardeners syndrome: The above mentioned condition is______________?

   A. Autosomal dominant disease
   B. Autosomal recessive disorder
   C. X-linked disease
   D. A syndrome of unknown cause

3. What is the thickness of the layer of primsless enamel found in primary teeth_____________?

   A. 25 μm
   B. 50μm
   C. 75μm
   D. 100μm

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. Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?

   A. Buccal
   B. Mesial
   C. Distal
   D. None of the above

6. The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?

   A. Impaction
   B. Gingivitis
   C. Occlusal wear
   D. Gingival recession

7. Crown formation of all permanent teeth except third molars is completed between_____________?

   A. Birth to 8 years
   B. Birth to 12 years
   C. Birth to 6 years
   D. 6 years to 12 years

8. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

   A. Central incisors
   B. Mandibular first molar
   C. Mandibular second molar
   D. Canines

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. The most common curvature of the palatal root of maxillary first molar is_____________?

    A. Facial
    B. Lingual
    C. Distal
    D. Mesial