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Questions and Answers
Which bacteria are primarily associated with the development of dental caries?
Which bacteria are primarily associated with the development of dental caries?
What role does decreased saliva secretion play in dental caries?
What role does decreased saliva secretion play in dental caries?
How does the morphology of the teeth influence caries incidence?
How does the morphology of the teeth influence caries incidence?
Which of the following factors is NOT involved in the development of dental caries?
Which of the following factors is NOT involved in the development of dental caries?
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Which stage follows the appearance of a small white spot on a tooth during caries development?
Which stage follows the appearance of a small white spot on a tooth during caries development?
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What mineral is associated with a decrease in caries incidence?
What mineral is associated with a decrease in caries incidence?
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What happens when decay penetrates through the enamel into the dentin?
What happens when decay penetrates through the enamel into the dentin?
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Which of the following elements is cited to increase the incidence of caries?
Which of the following elements is cited to increase the incidence of caries?
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Which factor does NOT contribute to the progression of dental caries?
Which factor does NOT contribute to the progression of dental caries?
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What generally characterizes the cavitation stage of dental caries?
What generally characterizes the cavitation stage of dental caries?
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Study Notes
Definition of Dental Caries
- Dental Caries is a disease characterized by the destruction of the tooth's hard structures.
- Intensity of caries is directly linked to acid production and the presence of acid-producing bacteria.
- Key bacteria involved in dental caries:
- Streptococcus mutans can produce caries alone.
- Co-occurrence with Lactobacillus acidophilus enhances caries development.
Factors Influencing Dental Caries Incidence
- Microorganisms: Acid-producing bacteria increase caries risk.
- Host Factors: Reduced saliva secretion heightens the likelihood of caries.
- Dental Morphology: Well-spaced teeth lower caries incidence, while fissures and pits elevate it.
- Tooth Composition: Elements like fluoride decrease caries risk; Cu and Mn may increase it.
- Dietary Habits: Frequency and duration of carbohydrate consumption contribute to caries incidence.
Stages of Dental Caries Development
- Initial phase involves enamel demineralization.
- Appearance of small white spots indicates early decay.
- Discoloration intensifies over time.
- Surface of the tooth softens, allowing decay to progress into the dentin.
- Spread of caries occurs laterally and deeper into the tooth structure.
- Cavitation appears as decay deepens.
- Lesions advance to affect the pulp, causing sensitivity to stimuli and eventual pulp damage.
- Bacterial infection may reach the root canal, causing abscesses through the apex.
General Factors Affecting Caries Occurrence
- Tooth Composition, Morphology, and Orientation: These traits influence how susceptible teeth are to caries.
- Plaque Biochemistry and Bacteriology: The composition of dental plaque is critical in caries development.
- Food Composition and Dietary Habits: Dietary choices significantly affect the risk of developing caries.
Factors Associated with Caries Resistance
- Increased caries risk is associated with minerals such as copper, magnesium, zinc, vanadium, and lead.
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Description
This quiz focuses on dental caries, their causes, and the role of bacteria such as Streptococcus mutans and Lactobacillus acidophilus. It also covers the treatment of dental caries through fillings. Test your knowledge on these essential concepts in dental health.
