Which tooth in the permanent dentition is the most susceptible to dental caries ?

Related Mcqs:

1. 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

2. Progression of dental caries caries on pit and fissure occurs from:

   A. Apex of the pit and fissure
   B. Wide and of the pit and fissure
   C. Lateral surface of the pit and fissure
   D. Bottom of the pit and fissure

3. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?

   A. Dilaceration
   B. Fusion
   C. Gemination
   D. Concrescence

4. Cavity formation in a tooth, due to dental caries is due to______________?

   A. Destructive potential of streptococcus mutans
   B. Destructive potential of lactobacillus acidophilus
   C. Lateral spread of caries along DE junction and weakening of the outer covering enamel
   D. Mastectomy force and unrelated to the extent of carious process

5. Most common missing tooth in the permanent dentition is_____________?

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

6. An asymptomatic tooth has deep has deep caries on occlusal surface. Radiograph shows radiopaque mass at apex of the tooth: this mass is most likely to be:____________?

   A. Cementoma
   B. Condensing Osteitis
   C. Chronic apical periodontitis
   D. Acute apical periodontitis

7. Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?

   A. Base to base
   B. Apex to base
   C. Apex to apex
   D. None of the above

8. The last primary tooth to be replaced by a permanent tooth is usually the_____________?

   A. Maxillary second molar
   B. Mandibular second molar
   C. Maxillary canine
   D. Mandibular canine

9. Chemico-parasitic theory of dental caries is proposed by______________?

   A. Miller
   B. G.V black
   C. Gottlieb
   D. Schwartz

10. Pioneer bacteria in dental caries are in_____________?

    A. Enamel
    B. Dentin
    C. Pulp
    D. Cementum