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Dental Enamel Anatomy Quiz

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Questions and Answers

What is the main function of enamel?

To conduct thermal changes

To repair itself

To resist masticatory forces (correct)

To produce pain sensation

What is the composition of enamel in terms of inorganic content?

Mainly collagenous material

Composed of fluoride ions only

Contains no inorganic content

Primarily hydroxyapatite crystals (correct)

What is the effect of fluoride treatment on enamel's acid solubility?

Greatly reduces acid solubility (correct)

Increases acid solubility

Causes enamel degradation

Has no effect on acid solubility

What role does fluoride play in the composition of enamel?

<p>Fluoride ions can replace hydroxyl group to form fluorapatite crystals</p> Signup and view all the answers

What is the most effective means for reducing dental caries incidence according to the text?

<p>Adjustment of fluoride level in water supplies to 1 part per million</p> Signup and view all the answers

Study Notes

Enamel's Role

Primary function: Protection of teeth from wear and tear during chewing
Provides a hard, smooth surface for teeth

Enamel Composition

Predominantly inorganic, composed of hydroxyapatite crystals
Hydroxyapatite is a calcium phosphate mineral, making up about 96% of enamel's volume

Effect of Fluoride Treatment

Fluoride treatment enhances enamel's acid resistance
Fluoride ions replace hydroxyl ions in hydroxyapatite, creating fluorapatite
Fluorapatite is less soluble in acids compared to hydroxyapatite

Role of Fluoride in Enamel

Fluoride integrates into the enamel structure during tooth development
Increases enamel's resistance to dental caries by making it more resistant to acid attack

Caries Prevention

Fluoride is considered the most effective method currently available for reducing dental caries incidence

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Description

Test your knowledge of dental enamel anatomy with this quiz. Learn about the structure, function, and clinical aspects of enamel in oral biology.