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Most used selective medium for streptococcus mutans is:____________?

  • (A)  Mac conkey medium
  • (B)  Mitus salivarius bacitracin agar
  • (C)  Nutrient agar
  • (D)  Tellurite medium
Submitted By :Ali Uppal


Most demineralised zone in enamel caries:____________?

  • (A)  Translucent zone
  • (B)  Body of lession
  • (C)  Dark zone
  • (D)  Surface zone
Submitted By :Ali Uppal


The gelatinous deposit adherent on the tooth surface is called as:__________?

  • (A)  Materia alba
  • (B)  Plaque
  • (C)  Calculus
  • (D)  All of the above
Submitted By :Ali Uppal


Streptococcus mutans produces an adhesive polymer from sucrose, known as:__________?

  • (A)  Levans
  • (B)  Lectins
  • (C)  Glucans
  • (D)  Polyfructans
Submitted By :Ali Uppal


Liquefaction foci of Miller is a histopathological observation in:

  • (A)  Cemental caries
  • (B)  Early enamel caries
  • (C)  Advanced enamel caries
  • (D)  Advanced dentinal caries
Submitted By :Ali Uppal


Which of the following is cariostatic?

  • (A)  Selenium
  • (B)  Magnesium
  • (C)  Cadmium
  • (D)  Molybdenum
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Best way to differentiate a periapical cyst and a perapical granuloma is:__________?

  • (A)  Radiographically
  • (B)  Histologically
  • (C)  Clinically
  • (D)  None of the above
Submitted By :Ali Uppal


A diffuse spreading inflammatory lesion is due to bacterial enzyme

  • (A)  Coagulase
  • (B)  Hyaluronidase
  • (C)  Peroxidase
  • (D)  Bradykinin
Submitted By :Ali Uppal