Podcast
Questions and Answers
Why does caries progress slowly in enamel?
Why does caries progress slowly in enamel?
- Dentin is more susceptible to caries
- Presence of fluoride in saliva
- High supersaturation of saliva with respect to enamel mineral (correct)
- Enamel is composed chiefly of hydroxyapatite
Which type of apatite crystal is more resistant to acid?
Which type of apatite crystal is more resistant to acid?
- F fluoroapatite (correct)
- Calcium-deficient carbonated hydroxyapatite
- OH hydroxyapatite
- Hydroxyapatite with high fluoride content
What is the role of fluoride in enamel resistance to caries?
What is the role of fluoride in enamel resistance to caries?
- Aids in the formation of enamel crystals (correct)
- Increases dentin susceptibility to caries
- Reduces supersaturation of saliva
- Decreases enamel mineral solubility
What is the solubility product of enamel required for the formation of enamel crystals?
What is the solubility product of enamel required for the formation of enamel crystals?
Which type of enamel has a higher concentration of fluoride, human or shark enamel?
Which type of enamel has a higher concentration of fluoride, human or shark enamel?
Under physiological conditions, why doesn't enamel mineral dissolve in saliva?
Under physiological conditions, why doesn't enamel mineral dissolve in saliva?
What forms on the surface of fluorapatite when calcium and fluoride ions are released during initial dissolution?
What forms on the surface of fluorapatite when calcium and fluoride ions are released during initial dissolution?
What effect does repeated exposure to fluoride have on enamel over time?
What effect does repeated exposure to fluoride have on enamel over time?
Which compound is more acid resistant than Hydroxyapatite (HA)?
Which compound is more acid resistant than Hydroxyapatite (HA)?
What ions replace carbonate ions in the apatite structure during increased posteruptive maturation?
What ions replace carbonate ions in the apatite structure during increased posteruptive maturation?
What process involves the deposition of Fluoride, Calcium, Phosphate, and Hydroxyl ions?
What process involves the deposition of Fluoride, Calcium, Phosphate, and Hydroxyl ions?
How does Fluoridated Hydroxyapatite (FHA) protect enamel against acid attack?
How does Fluoridated Hydroxyapatite (FHA) protect enamel against acid attack?
How does the carbonate content of apatite crystals impact stability and solubility?
How does the carbonate content of apatite crystals impact stability and solubility?
What is the role of fluoride in the remineralization process of enamel?
What is the role of fluoride in the remineralization process of enamel?
How does fluoride affect the activity of oral streptococci?
How does fluoride affect the activity of oral streptococci?
What effect does fluoride have on tooth morphology when administered during tooth formation?
What effect does fluoride have on tooth morphology when administered during tooth formation?
How does fluoride concentration in saliva or plaque relate to its inhibitory effects on bacteria?
How does fluoride concentration in saliva or plaque relate to its inhibitory effects on bacteria?
What is the impact of fluoride on reducing growth in bacteria?
What is the impact of fluoride on reducing growth in bacteria?
