COSMETICS FOR DENTIFRICES
TOP 10 MCQ
1. The agent used to prevent the dental caries is
(a) Sodium fluoride
(b) Strontium chloride
(c) Zinc chloride
(d) Dicalcium chloride
2. Example for desensitizing agent is
(a) Zinc oxide
(b) Strontium chloride
(c) Sodium fluoride
(d) Calcium carbonate
3. A tooth paste contains Stannous fluorides and calcium pyrophosphate along with other formulation constituent. Choose the correct statement out of the following: (GPAT-2011)
(a) Stannous fluoride is an anticaries agent while calcium pyrophosphate is a dentifrice
(b) Stannous fluoride is a dentifrice while calcium pyrophosphate is a desensitizing agent
(c) Stannous fluoride is a desensitizing agent while calcium pyrophosphate is an anticaries agent
(d) Both are dentifrices while calcium pyrophosphate is additionally a desensitizing agent
4. Fluorides added in cosmetics
(a) Hydrogen bond formation
(b) Covalent bond formation
(c) Complex formation
(d) The action of London forces
5. An assay and identification reaction of preparation are generally
[P] Dicalcium phosphate
[Q] Sodium lauryl sulphate
[R] Sodium chloride
[S] Calcium carbonate
Select the correct statements:
(a) [P], [R]
(b) [Q], [S]
(c) [P], [Q]
(d) [R], [S]
6. Which of the following is used as humectants in dental preparation?
(a) Agar
(b) Sorbitol
(c) Methyl cellulose
(d) Carbopol93
7. What causes tooth decay?
(a) Acid
(b) Age
(c) Cavities
(d) Caffeine
8. Tooth discoloration is due to
(a) Acute pulpal abscess
(b) Pulpal hyperemia
(c) Pulpal death
(d) None of the above
9. What is required before you perform hand hygiene. Select all that apply
(a) Fingernails should be short
(b) Remove bracelets
(c) Rings should not have jewels or stones
(d) Assess hands for visible soil
10. Dentist prescribed home applied bleaching technique uses.
(a) 35% hydrogen peroxide
(b) 10% carbamide peroxide
(c) 18% hydrochloric acid
(d) Sodium perborate
ANSWER KEY
| 1-a | 2-b | 3-a | 4-a | 5-a | 6-b | 7-a | 8-c | 9-d | 10-b |
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