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Dentinogensis imperfecta differs from amelogenesis imperfecta in that, the former is_____________?

  • (A)  A hereditary disturbance
  • (B)  The result of excessive fluoride ingestion
  • (C)  The result of faulty enamel matrix formation
  • (D)  Characterized by calcification of pulp chambers and the root canals of the teeth
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Most common missing tooth in the permanent dentition is_____________?

  • (A)  Maxillary canine
  • (B)  Maxillary first molar
  • (C)  Mandibular second premolar
  • (D)  Mandibular first molar
Submitted By :Ali Uppal


Ectopic sebaceous glands in the mouth are called________________?

  • (A)  Linea alba buccalis
  • (B)  Heck’s disease
  • (C)  Lingual verices
  • (D)  Fordyce spots
Submitted By :Ali Uppal


Lingual tonsils arise___________________?

  • (A)  As developmental anomalies
  • (B)  From carcinomatous transformation
  • (C)  As a result of hyperpalsia
  • (D)  Due to repeated trauma in the area
Submitted By :Ali Uppal


Clinical evidence of dentinogenesis imperfecta is______________?

  • (A)  Defective enamel and dentine
  • (B)  Defective dentine and obliterated pulp chamber
  • (C)  Increased rate of caries
  • (D)  Oligodontia
Submitted By :Ali Uppal


False about anodontia_______________?

  • (A)  May involve both the deciduous and the permanent dentition
  • (B)  In false anodontia tooth doesn’t undergo full development
  • (C)  May involve a single tooth
  • (D)  In total anodontia all teeth are missing
Submitted By :Ali Uppal


All are true about supernumerary tooth except_______________?

  • (A)  May have resemblance to normal teeth
  • (B)  Disto molars doesn’t resemble any other tooth
  • (C)  Mesiodens is the most common supernumerary tooth
  • (D)  More common in mandible
Submitted By :Ali Uppal


Ammonia causes______________?

  • (A)  Increase in plaque formation
  • (B)  Increase in calculus formation
  • (C)  Decrease in plaque formation
  • (D)  Causes precipitation of salivary proteins
Submitted By :Ali Uppal


Initiation of caries by streptococcus mutans is by the production of______________?

  • (A)  Dextranase and soluble dextran
  • (B)  Insoluble dextan and glucosyl transferase
  • (C)  soluble dextan and glucosyl transferase
  • (D)  None of the above
Submitted By :Ali Uppal