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:____________?

Related Mcqs:

1. A bony hard asymptomatic swelling found on the midline of the hard palate that appears radiopaque on a radiograph is most likely a__________________?

   A. Odontoma
   B. Myxoma
   C. Boney cyst
   D. Torus palatinus

2. A 36 year old man with an asymptomatic swelling in the body of the mandible with radiographic features of radiolucency with radiopaque flecks in suffering from:

   A. Odontogenic keratocyst
   B. Calcifying epithelial odontogenic tumor (CEOT)
   C. Ameloblastoma
   D. None of the above

3. If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

   A. Maxillary central incisor
   B. Maxillary second premolar
   C. Mandibular lateral incisor
   D. Mandibular central incisor

4. 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

5. Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?

   A. Laterally into zygomatics process of maxilla
   B. Medially into zygomatic process of maxilla
   C. Laterally into lateral nasal wall
   D. Superiorly into floor of orbit

6. Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?

   A. Gingivodental
   B. Cemental fibres
   C. Horizontal fibres
   D. Transseptal fibres

7. Compound odontoma shows on a radiograph as:____________?

   A. Supernumerary teeth
   B. Radiolucent and radiopaque areas
   C. Masses of calcified areas
   D. Distinguishable tooth – like structures

8. 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

9. 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

10. A histologic evidence of widespread formation of globular hypocalcified dentin and pulp horns reaching the dentinoenamel junction, absence of lamina dura around the tooth in radiograph are the characteristic features of_____________?

    A. Vitamin -D resistant rickets
    B. Hypophosphatasia
    C. Hypervitaminosis-A
    D. Vitamin-A deficiency