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Lactobacilli are numerous in caious lesions because they______________?

  • (A)  Are the main causative agent
  • (B)  Can produce insoluble extracellular polysaccharides
  • (C)  Can attack to smooth enamel surfaces
  • (D)  Are secondary invaders
Submitted By :Ali Uppal


The extra – cellular polysaccharide sythesized by cariogenic streptococci in the presence of excess sucrose are best described as_______________?

  • (A)  Mucopolysaccharide
  • (B)  Dextran-like glucan
  • (C)  Glycogen – like glucan
  • (D)  Amylopectin
Submitted By :Ali Uppal


In a patient with reduced salivary flow the carious incidence is_______________?

  • (A)  More than the patient with normal salivary flow
  • (B)  less than the patient with normal salivary flow
  • (C)  unaffected
  • (D)  None of the above
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Widely accepted theory of dental caries_____________?

  • (A)  Proteolytic theory
  • (B)  Proteolytic chelation theory
  • (C)  Acidogenic theory
  • (D)  Autoimmune theory
Submitted By :Ali Uppal


S. mutans is involved in dental caries initiation Other bacteria also involved is______________?

  • (A)  S. Sarcinus
  • (B)  S. macae
  • (C)  S. sanguis
  • (D)  S. salivarius
Submitted By :Ali Uppal


Bacteria responsible for initiation of caries is _________________?

  • (A)  Actinomyces
  • (B)  Strep. mutans
  • (C)  Lactobacillus
  • (D)  Strep. viridans
Submitted By :Ali Uppal


Which of the following is false about ossifying fibroma ?

  • (A)  Affects people in 3-4 decade of life
  • (B)  Maxilla affected more than the mandible
  • (C)  Circumscribed radio opacity
  • (D)  Continuous growth
Submitted By :Ali Uppal


Firbroma combined with glandular tissue is_______________?

  • (A)  Neurofibroma
  • (B)  Fibroadenoma
  • (C)  Fibrolipoma
  • (D)  Fibromyoma
Submitted By :Ali Uppal


On biopsy report of CGCG on the basis of histologically & morphological similarities differential diagnosis is made between____________?

  • (A)  Fibrous dysplasia
  • (B)  Hyperparathyroidism
  • (C)  Osteitis deformans
  • (D)  Hyperthyroidism
Submitted By :Ali Uppal