Questions and Answers
What is the primary purpose of dental fillings?
When is a dental filling added to a tooth?
What is one downside of temporary fillings?
Which of the following is NOT an advantage of dental fillings?
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What is calcium hydroxide typically used for in dental procedures?
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Why might a temporary filling be used before a permanent one?
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Which factor can limit the options of filling materials for a decayed tooth?
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What distinguishes permanent fillings from temporary fillings?
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What is the primary use of calcium hydroxide in dental procedures?
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What type of restorations are completed in a single visit?
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Which of the following is NOT a type of indirect restoration?
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Which compound is a major component of dental amalgam?
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Which of the following statements is true regarding composite fillings?
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What is a major disadvantage of using calcium hydroxide as a cavity lining?
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Which category of dental fillings may necessitate two or more dental visits?
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What percentage of mercury is typically found in dental amalgam?
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Study Notes
Definition of Dental Filling
- Restores decayed teeth to retain normal function and shape.
- Involves preparing the tooth by removing decay to create space for the filling material.
- Vital pulp allows for direct filling; exposed or dead pulp necessitates root canal therapy prior to filling.
Advantages of Dental Fillings
- Restores normal tooth function.
- Prevents pain.
- Preserves pulp vitality.
- For anterior teeth, maintains appearance; for posterior teeth, prevents further caries.
Types of Fillings
- No universal best filling; effectiveness varies based on individual cases.
- Each filling type has unique advantages, disadvantages, and applications influenced by decay location and size.
Categories of Dental Fillings
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Temporary Fillings:
- Used as a short-term solution.
- Not durable; designed for limited time periods.
- Commonly employed for pain relief or when permanent fillings require multiple visits.
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Permanent Fillings:
- Two main methods of application:
- Direct Restorations: Placed in a single visit; includes dental amalgam, glass ionomers, resin ionomers, and most composite fillings.
- Indirect Restorations: Require multiple visits; includes inlays, onlays, veneers, crowns, and bridges made from various materials. Impression taken for fabricating restorations in a dental laboratory.
- Two main methods of application:
Temporary Fillings Uses
- Pain relief aid.
- Insufficient time for a permanent filling.
- Interim protection needed between multiple visits for complex restorations.
Cavity Lining (Calcium Hydroxide)
- Protects pulp from thermal shock and chemical irritation.
- Composed of Calcium hydroxide powder and liquid.
- Non-irritant, suitable for deep cavities, compatible with many materials, but only serves as a sub-lining.
Dental Amalgam
- Mixture of metals with mercury constituting 43% to 54%.
- Commonly used for posterior teeth; one of the oldest filling materials with over 150 years of history.
Composite (Resin)
- Made of acrylic resin and glass-like particles, creates tooth-colored fillings.
- Can be self-hardening or cured using blue light.
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Description
This quiz explores the fundamentals of dental fillings, a procedure used to restore decayed teeth. It covers the definition, preparation process, and material choices necessary for effective dental restoration. Perfect for anyone interested in dental health and restorative techniques.
