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Questions and Answers
What is the main function of enamel?
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?
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?
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?
What role does fluoride play in the composition of enamel?
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What is the most effective means for reducing dental caries incidence according to the text?
What is the most effective means for reducing dental caries incidence according to the text?
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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.
