Practice MCQ For Govt Pharmacist Exam, in this article we will solve, Practice MCQ on Dental products topic under the subject Pharmaceutical inorganic chemistry of first semester. Read following article for your reference.
Dental Products » PHARMACAREERS
The primary abrasive in many toothpastes is:
A) Sodium fluoride
B) Calcium carbonate
C) Silica
D) Triclosan
Fluoride aids in the prevention of dental caries by:
A) Decreasing plaque formation
B) Inhibiting demineralization
C) Promoting remineralization
D) Both B and C
Desensitizing toothpaste often contains which of the following ingredients?
- A) Potassium nitrate
- B) Sodium lauryl sulfate
- C) Calcium carbonate
- D) Sodium fluoride
Zinc eugenol cement is commonly used as a:
A) Temporary filling material
B) Permanent filling material
C) Desensitizing agent
D) Whitening agent
Which ingredient in dentifrices helps to reduce gingivitis?
A) Fluoride
B) Triclosan
C) Calcium carbonate
D) Sodium bicarbonate
The recommended concentration of fluoride in toothpaste for adults is:
A) 500 ppm
B) 1000 ppm
C) 1500 ppm
D) 2000 ppm
Which of the following is NOT a function of saliva?
A) Lubricating oral tissues
B) Initiating digestion of carbohydrates
C) Acting as a buffer
D) Whitening teeth
The main purpose of calcium carbonate in toothpaste is to:
A) Increase fluoride uptake
B) Act as a buffer
C) Provide abrasiveness for cleaning
D) Enhance flavor
Sodium fluoride in dentifrices serves primarily to:
A) Freshen breath
B) Prevent tartar build-up
C) Prevent dental caries
D) Reduce tooth sensitivity
Which type of dental cement is known for its sedative effect on the pulp?
A) Glass ionomer cement
B) Zinc phosphate cement
C) Zinc eugenol cement
D) Composite resin cement
The active ingredient in most over-the-counter desensitizing toothpastes is:
A) Sodium chloride
B) Potassium nitrate
C) Sodium bicarbonate
D) Calcium phosphate
Toothpastes that claim to whiten teeth typically contain:
A) Hydrogen peroxide or carbamide peroxide
B) Triclosan or zinc citrate
C)Sodium fluoride or stannous fluoride
D) Calcium carbonate or silica
The role of triclosan in toothpaste is primarily to:
A) Act as an abrasive agent
B) Provide anti-caries benefit
C) Serve as an antiseptic agent
D) Enhance the flavor profile
Which ingredient helps to stabilize the pH of toothpaste?
A) Sodium lauryl sulfate
B) Sodium bicarbonate
C) Sodium saccharin
D) Sodium benzoate
The use of fluoride in dentistry is primarily aimed at:
A) Reducing tooth sensitivity
B) Preventing enamel erosion
C) Preventing dental caries
D) Reducing plaque formation
An example of a natural desensitizing agent found in some toothpastes is:
A) Arginine
B) Fluoride
C) Calcium carbonate
D) Sodium lauryl sulfate
Zinc eugenol cement is contraindicated for use under which type of restorations?
A) Amalgam
B) Composite
C) Gold
D) Porcelain
The most common concentration of sodium fluoride in mouth rinses is:
A) 0.02%
B) 0.05%
C) 0.2%
D) 2%
Which of the following is NOT a benefit of calcium carbonate in toothpaste?
A) Whitening effect
B) Anti-caries effect
C) Abrasive effect
D) Cost-effectiveness
The mechanism of action for desensitizing agents involves:
A) Occluding dentinal tubules
B) Strengthening enamel
C) Reducing plaque biofilm
D) Neutralizing acids
Fluoride varnishes typically contain which type of fluoride?
- A) Stannous fluoride
- B) Sodium fluoride
- C) Acidulated phosphate fluoride
- D) Amine fluoride
Which ingredient in toothpaste is responsible for foaming action?
A) Sodium lauryl sulfate (SLS)
B) Sodium bicarbonate
C) Triclosan
D) Calcium carbonate
The primary role of zinc in dentifrices is to:
A )Act as an abrasive
B )Enhance flavor
C )Provide anti-plaque benefits
D )Increase fluoride uptake
Tooth sensitivity can be reduced by using a toothpaste containing:
A )Sodium chloride
B )Potassium nitrate
C )Calcium carbonate
D )Sodium fluoride
The ‘halo effect’ in fluoride refers to:
A )The glow seen under UV light after teeth whitening
B )The additional benefit of fluoride in people consuming fluoridated water
C )The protective aura created by fluoride varnish
D )The radiance of healthy teeth due to proper oral hygiene
In zinc eugenol cement, eugenol acts as a:
A )Base
B )Accelerator
C )Retarder
D )Liquid component
Which is NOT a characteristic of an ideal dentifrice?
A )Low abrasivity
B )High foaming capacity
C )Therapeutic agents
D )Pleasant taste and odor
The remineralization effect of fluoride is enhanced by the presence of:
A )Calcium and phosphate ions
B )Sodium and potassium ions
C )Magnesium and zinc ions
D )Iron and copper ions
Desensitizing agents work by:
A )Killing bacteria that cause sensitivity
B )Forming a protective barrier over sensitive areas
C )Strengthening gum tissue around the teeth
D )Increasing saliva production
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