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12 lessons,
1h 20m
Dental Calculus
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This lesson cover important MCQs from dental calculus

Hi, I am Dr. Sujala, a practising dentist. Iam graduate from CDC in 2015.

Unacademy user
Ma'am which test series should we prefer?

  2. 1. Which of the following is known as salivary calculus a) b) c) d) Supragingival calculus Subgingival calculus Both of the above None of the above

  3. Ans Supragingival calculus Supragingival calculus known as salivary calculus because it is forms from the Saliva.

  4. 2. Subgingival calculus otherwise known as a) b) c) d) Serumal calculus Salivary calculus lingual calculus All of the above

  5. Ans - Serumal calculus Subgingival calculus formed from gingival exudate hence the name called serumal calculus

  6. 3. Colour of Sub gingival calculus a) b) c) d) Whitish yellow Dark- brown Greenish black Both B and C

  7. Ans- Both B and C

  8. 4. Dental calculus contain a) b) c) d) Hydroxyapatite crystals Magnesium whitelockite Octacalcium phosphate All of the above

  9. Ans- All of the above

  10. 5. Calculus attached to the tooth surface by Attachment by organic pellicle Mechanical interlocking to surface irregularities Penetration of Calculus bacteria into cementum All of the above a) b) c) d)

  11. 6. Supragingival calculus contain less amount of Brushite a) b) c) d) Magnesium whitlockite Octacalcium phosphate All of the above

  12. 7. Subgingival calculus contain greater amount of a) b) c) d) Brushite Magnesium whitlockite Octacalcium phosphate All of the above

  13. Ans - Supragingival calculus Salivary proteins are abscent in -subgingival calculus

  14. 9. Biological width of gingiva is a) b) c) d) 3.5 2.04 4 3.25

  15. Ans-2.04 Biological width is sum of epithelial and connective tissue measurements