Quiz on Pharmaceutical Chemistry: Inorganic Medicinal Compounds

What is the primary function of dentifrice?

• To whiten teeth

• To clean the accessible surface of the teeth

• To prevent bad breath

• To strengthen enamel

Which agent is well accepted for preventing dental caries?

• Calcium carbonate

• Fluoride

• Zinc chloride

• Sodium bicarbonate

What is dental caries primarily caused by?

• Excessive brushing

• Acids produced by microorganisms

• Lack of fluoride

• Genetic factors

What is the role of phosphate in dental health?

• To reduce sensitivity

• To whiten teeth

• To freshen breath

• To strengthen bones and teeth

What is a common concentration of fluoride in drinking water for dental health?

• 0.1 to 0.3 ppm

• 2.5 to 3 ppm

• 1.5 to 2 ppm

• 0.5 to 1 ppm

What can excessive fluoride ingestion lead to?

• Improved dental health

• Mottled enamel

• Increased bone density

• Enhanced taste sensation

Which of the following is a desensitizing agent used in dental preparations?

• Strontium chloride

• Hydrogen peroxide

• Sodium fluoride

• Calcium phosphate

What is the main drawback of dentifrices?

• They cannot clean surfaces inside cavities

• They cause tooth decay

• They are too expensive

• They are too abrasive

What is the main use of stannous fluoride in dental practice?

• To strengthen gums

• To prevent caries

• To whiten teeth

• To freshen breath

What is the effect of fluoride on the enamel of teeth?

• It has no effect

• It causes discoloration

• It becomes part of the enamel structure

• It weakens the enamel