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Viva Question and Answers Related to Dental Cavity Varnish

Here are 30 viva questions and answers related to dental cavity varnish:

  1. What is dental cavity varnish?
    • Dental cavity varnish is a protective coating applied to teeth surfaces to prevent or treat dental caries.
  2. What are the primary components of dental cavity varnish?
    • The primary components typically include resins, solvents, and fluoride.
  3. How does dental cavity varnish work in preventing cavities?
    • Dental cavity varnish forms a protective barrier on the tooth surface, inhibiting the demineralization process and promoting remineralization.
  4. What is the purpose of using fluoride in dental cavity varnish?
    • Fluoride helps in strengthening the tooth enamel and making it more resistant to acid attacks, reducing the risk of cavities.
  5. How is dental cavity varnish applied?
    • Dental cavity varnish is usually applied using a brush or applicator directly onto the tooth surface.
  6. What is the recommended frequency for applying dental cavity varnish?
    • The frequency may vary, but it is commonly applied every 3 to 6 months.
  7. Can dental cavity varnish be used on both primary and permanent teeth?
    • Yes, dental cavity varnish is suitable for both primary and permanent teeth.
  8. Are there any contraindications for using dental cavity varnish?
    • Individuals with known allergies to varnish components may have contraindications.
  9. How long does it take for dental cavity varnish to set after application?
    • It usually takes a few minutes for dental cavity varnish to set.
  10. Can dental cavity varnish be applied over existing dental restorations?
  11. Does dental cavity varnish have any impact on tooth sensitivity?
    • Some varnishes may have desensitizing properties, providing relief from tooth sensitivity.
  12. How does dental cavity varnish differ from dental sealants?
    • While both provide a protective barrier, dental cavity varnish is a liquid that sets on the tooth surface, whereas sealants are typically resin-based and flow into the tooth’s pits and fissures.
  13. Can dental cavity varnish be used in pediatric dentistry?
    • Yes, dental cavity varnish is commonly used in pediatric dentistry for its caries-preventive properties.
  14. What is the role of solvents in dental cavity varnish?
    • Solvents help in the application and the subsequent evaporation process, leaving behind a protective layer.
  15. How long does the protective effect of dental cavity varnish last?
    • The duration of protection can vary, but it is generally effective for several months.
  16. Can dental cavity varnish be used as a treatment for early caries lesions?
    • Yes, dental cavity varnish is often used as part of a treatment plan for early caries lesions.
  17. Are there different types of dental cavity varnish available in the market?
    • Yes, there are various formulations with different compositions and properties.
  18. What are the potential side effects of dental cavity varnish?
    • Side effects are rare but may include allergic reactions or irritation.
  19. Is there a specific age limit for using dental cavity varnish?
  20. How does dental cavity varnish contribute to remineralization?
    • It provides a reservoir of minerals like fluoride, calcium, and phosphate, promoting remineralization of the enamel.
  21. Can dental cavity varnish be used in patients with xerostomia (dry mouth)?
    • Yes, it can be used, and it may provide additional protection in individuals with reduced saliva flow.
  22. Does dental cavity varnish interfere with dental X-rays?
    • No, dental cavity varnish typically does not interfere with dental X-rays.
  23. Is there any specific aftercare required following the application of dental cavity varnish?
    • Patients are usually advised to avoid eating or drinking for a short period after application.
  24. Can dental professionals customize the fluoride concentration in dental cavity varnish?
    • Some varnishes come in different fluoride concentrations, allowing for customization based on patient needs.
  25. How does dental cavity varnish adhere to the tooth surface?
  26. Are there any specific considerations for pregnant women regarding dental cavity varnish?
    • Dental cavity varnish is generally considered safe during pregnancy, but it’s always best to consult with a healthcare provider.
  27. Can dental cavity varnish be used as a preventive measure in high-caries-risk individuals?
    • Yes, it is often recommended for individuals at high risk of developing dental caries.
  28. How does the choice of solvent in dental cavity varnish impact its clinical performance?
    • The solvent affects the viscosity, drying time, and overall handling characteristics of the varnish.
  29. What role does patient compliance play in the effectiveness of dental cavity varnish?
    • Patient compliance is crucial, as follow-up applications are necessary for sustained protection.
  30. Can dental cavity varnish be used in conjunction with other preventive measures, such as fluoride toothpaste?
    • Yes, it is often part of a comprehensive preventive strategy, along with regular oral hygiene practices.

 

 

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