Dental Fillings: Ultimate Quiz On Amalgam And Composite Restorations!

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Dental Fillings: Ultimate Quiz On Amalgam And Composite Restorations! - Quiz

The trivia quiz below is on Dental Fillings base on Amalgam and Composite Restorations. If someone loses a tooth or has teeth filled with cavities, they go to the dentist so as to regain or attain a pleasing appearance, and there are a set of procedures that a dentist may take up. Take this quiz and see if you know the types of restorations.


Questions and Answers
  • 1. 

    What material is a low strength liner, protects the pulp, provides a therapeutic effect to a tooth, reduces sensitivity after restoration is complete, stimulates the growth of secondary dentin, and has antibacterial properties?

    • A.

      Varnish

    • B.

      Glass ionomer

    • C.

      Reinforced ZOE

    • D.

      Calcium Hydroxide

    Correct Answer
    D. Calcium Hydroxide
    Explanation
    Calcium Hydroxide is a material that fits all the given criteria. It is a low strength liner that protects the pulp and provides a therapeutic effect to a tooth. It also reduces sensitivity after restoration is complete and stimulates the growth of secondary dentin. Additionally, Calcium Hydroxide has antibacterial properties.

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  • 2. 

    Examples of cavity liners are:

    • A.

      Calcium hydroxide

    • B.

      Polycarboxylate

    • C.

      Zinc oxide eugenol

    • D.

      Glass ionomer

    • E.

      Zinc phosphate

    Correct Answer(s)
    A. Calcium hydroxide
    C. Zinc oxide eugenol
    D. Glass ionomer
    Explanation
    Cavity liners are materials used in dentistry to protect the pulp of the tooth and promote healing. Calcium hydroxide, zinc oxide eugenol, and glass ionomer are all examples of cavity liners. Calcium hydroxide is commonly used as a liner due to its antibacterial properties and ability to stimulate dentin formation. Zinc oxide eugenol is used as a temporary liner because of its sedative effect and soothing properties. Glass ionomer is a versatile liner that releases fluoride and forms a strong bond with the tooth structure. These materials provide different benefits and are used in various clinical situations.

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  • 3. 

    What is the name brand of cavity varnish?

    • A.

      Dycal

    • B.

      Vitrabond

    • C.

      Fiji

    • D.

      Copalite

    • E.

      Durelon

    Correct Answer
    D. Copalite
    Explanation
    Copalite is the correct answer because it is a well-known brand of cavity varnish. Cavity varnish is a type of dental material that is applied to the prepared tooth surface before placing a dental filling. It helps to protect the tooth from sensitivity and decay. Copalite is a commonly used cavity varnish brand that provides a protective coating and helps to improve the longevity of the dental filling.

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  • 4. 

    What protects pulp and provides mechanical support for a restoration?

    • A.

      Cavity varnish

    • B.

      Calcium hydroxide

    • C.

      Cavity liner

    • D.

      Cement bases

    Correct Answer
    D. Cement bases
    Explanation
    Cement bases protect the pulp and provide mechanical support for a restoration. They are used to line the cavity before placing the final restoration, providing a barrier between the restoration material and the pulp. This helps to protect the pulp from any potential irritation or damage caused by the restoration. Additionally, cement bases also provide mechanical support by reinforcing the restoration and helping to distribute the forces of occlusion evenly.

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  • 5. 

    Several different types of cement bases are:

    • A.

      Glass ionomer

    • B.

      Reinforced zinc oxide eugenol

    • C.

      Varnish

    • D.

      Zinc phosphate

    • E.

      Calcium hydroxide

    • F.

      Polycarbonate

    • G.

      Resin cement

    • H.

      Compomers

    Correct Answer(s)
    A. Glass ionomer
    B. Reinforced zinc oxide eugenol
    D. Zinc phosphate
    F. Polycarbonate
    G. Resin cement
    H. Compomers
    Explanation
    The correct answer includes various types of cement bases used in dentistry. Glass ionomer cement is a tooth-colored material that releases fluoride and is commonly used for filling cavities and cementing crowns. Reinforced zinc oxide eugenol cement is a temporary cement used for provisional restorations. Zinc phosphate cement is a strong and durable cement used for permanent restorations. Polycarbonate cement is used for bonding orthodontic brackets. Resin cement is a tooth-colored cement used for bonding ceramic or composite restorations. Compomers are a combination of composites and glass ionomer cements, providing esthetics and fluoride release.

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  • 6. 

    What materials are liner, base, and cement?

    • A.

      Zinc phosphate

    • B.

      Zinc oxide eugenol

    • C.

      Polycarboxylate

    • D.

      Glass ionomer

    • E.

      Varnish

    Correct Answer(s)
    B. Zinc oxide eugenol
    D. Glass ionomer
    Explanation
    Zinc oxide eugenol and glass ionomer are materials that can be used as liner, base, and cement in dental procedures. Zinc oxide eugenol is a dental cement that is commonly used as a temporary filling material, while glass ionomer is a type of dental cement that can be used for both permanent and temporary restorations. These materials have properties that make them suitable for use as liners, bases, and cements in various dental procedures.

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  • 7. 

    Polycarboxylate is a ____________ and ____________

    Correct Answer(s)
    base and cement
    Explanation
    Polycarboxylate is a substance that can act as both a base and a cement. As a base, it can neutralize acids and increase the pH level of a solution. As a cement, it can bind particles together and form a solid structure. This dual functionality makes polycarboxylate versatile and useful in various applications, such as in construction and dentistry.

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  • 8. 

    Zinc phosphate is a ______________ and _______________

    Correct Answer(s)
    base and cement
    Explanation
    Zinc phosphate is classified as both a base and a cement. As a base, it can neutralize acids by accepting protons and increasing the pH of a solution. As a cement, it can be used in dentistry to create a strong bond between a tooth and a dental restoration, such as a filling or crown. Its cementing properties allow it to securely hold the restoration in place, ensuring durability and longevity.

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  • 9. 

    What material must be used on a glass slate due to its thermal conductivity?

    • A.

      Varnish

    • B.

      Calcium hydroxide

    • C.

      Zinc phosphate

    • D.

      Polycarboxylate

    Correct Answer
    C. Zinc phosphate
    Explanation
    Zinc phosphate must be used on a glass slate due to its thermal conductivity. Zinc phosphate is a material that has good thermal conductivity, meaning it can efficiently transfer heat. This makes it suitable for use on a glass slate, as it helps to evenly distribute and dissipate heat, preventing any potential damage to the slate caused by thermal expansion or uneven heating. Varnish, calcium hydroxide, and polycarboxylate do not have the same level of thermal conductivity as zinc phosphate, making them less suitable for this purpose.

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  • 10. 

    What material is a low strength liner, fluoride releasing, root canal and pit and fissure sealer, and can be used as build up material?

    • A.

      Varnish

    • B.

      Polycarboxylate

    • C.

      Glass ionomer

    • D.

      Zinc phosphate

    Correct Answer
    C. Glass ionomer
    Explanation
    Glass ionomer is a low strength liner that releases fluoride and can be used as a root canal and pit and fissure sealer. It also has the ability to serve as a build-up material.

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  • 11. 

    Calcium Hydroxide is a __________ and ________________

    Correct Answer
    liner and base
    Explanation
    Calcium Hydroxide is commonly used in dentistry as a liner and base. As a liner, it is applied to the deepest layers of a cavity preparation to protect the pulp from irritation and promote healing. It acts as a barrier between the dental restoration and the pulp, preventing sensitivity and potential damage. As a base, calcium hydroxide is used to provide additional support and stability to restorations. It helps to protect the tooth structure, promote dentin formation, and stimulate the natural healing process.

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  • 12. 

    What material is a low strength base, used as a temporary cement, and has a sedative effect on the pulp?

    • A.

      Zinc phosphate

    • B.

      Zinc oxide eugenol

    • C.

      Polycarboxylate

    • D.

      Calcium hydroxide

    Correct Answer
    B. Zinc oxide eugenol
    Explanation
    Zinc oxide eugenol is a low strength base that is commonly used as a temporary cement in dentistry. It also has a sedative effect on the pulp, which helps to alleviate pain and discomfort. This material is often used in situations where a permanent restoration is not immediately possible, such as when a tooth is undergoing root canal treatment or when a temporary crown is needed. Zinc phosphate, polycarboxylate, and calcium hydroxide are not typically used for temporary cementation or have sedative effects on the pulp.

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  • 13. 

    What material should not be applied as a direct pulp cap?

    • A.

      Zinc phosphate

    • B.

      Reinforced Zinc oxide eugenol

    • C.

      Polycarboxylate

    • D.

      Glass ionomer

    Correct Answer
    B. Reinforced Zinc oxide eugenol
    Explanation
    Reinforced zinc oxide eugenol should not be applied as a direct pulp cap because it contains eugenol, which is known to have cytotoxic effects on the pulp tissue. Eugenol can cause inflammation and necrosis of the pulp, leading to irreversible damage. Therefore, it is not recommended to use reinforced zinc oxide eugenol as a direct pulp cap material.

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  • 14. 

    What material seals dentin tubules, has low solubility, protects against microleakage, and is only used in amalgam restorations?

    • A.

      Varnish

    • B.

      Calcium hydroxide

    • C.

      Zinc oxide eugenol

    • D.

      Reinforced zinc eugenol

    Correct Answer
    A. Varnish
    Explanation
    Varnish is the correct answer because it is a material that seals dentin tubules, has low solubility, protects against microleakage, and is specifically used in amalgam restorations. Varnish forms a protective layer over the dentin, preventing the movement of fluids and bacteria through the tubules. It also has a low solubility, which means it does not easily dissolve or wash away over time. This helps to maintain its sealing properties for a longer period. Additionally, varnish provides a barrier against microleakage, preventing the ingress of bacteria and fluids around the restoration.

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  • 15. 

    Reinforced zince oxide eugenol is a __________ and ________

    Correct Answer
    base and liner
    Explanation
    Reinforced zinc oxide eugenol is a material that can serve as both a base and a liner. As a base, it provides support and stability to the restoration, while as a liner, it acts as a protective barrier between the restoration and the underlying tooth structure. This dual functionality makes it a versatile choice in dental procedures where both base and liner properties are required.

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  • 16. 

    What 3 step process enhances the chemical bond between the bonding agent and restoration?

    Correct Answer
    etch,prime, and bond
    Explanation
    The 3 step process of etching, priming, and bonding enhances the chemical bond between the bonding agent and restoration. Etching involves applying an acidic solution to the surface of the tooth, creating micro-pores and increasing surface area for better adhesion. Priming involves applying a primer that helps to wet the etched surface and improve the bond strength. Finally, bonding involves applying the bonding agent, which forms a strong bond between the tooth structure and the restoration material. This process ensures a durable and long-lasting bond between the bonding agent and restoration.

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  • 17. 

    What process improves the retention of the restoration and removes the smear layer from prep to allow for penetration of bonding agent into dentin?

    • A.

      Primer

    • B.

      Bond

    • C.

      Acid etching

    Correct Answer
    C. Acid etching
    Explanation
    Acid etching is a process that improves the retention of the restoration and removes the smear layer from the preparation. The acid etching creates micro-porosities on the surface of the tooth, allowing for better penetration of the bonding agent into the dentin. This helps in creating a stronger bond between the tooth structure and the restoration, increasing the longevity of the restoration.

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  • 18. 

    What process improves the wettability of the prep and penetrates dentin tubules?

    • A.

      Primer

    • B.

      Acid etching

    • C.

      Varnish

    • D.

      Calcium hydroxide

    Correct Answer
    A. Primer
    Explanation
    Primer is a substance that improves the wettability of the prep and penetrates dentin tubules. It is commonly used in dentistry to enhance the bonding between dental materials and the tooth structure. The primer contains hydrophilic monomers that help to wet the tooth surface and infiltrate the dentin tubules, creating a stronger bond. This process ensures better adhesion and longevity of dental restorations. Acid etching, varnish, and calcium hydroxide do not have the same effect on improving wettability and penetrating dentin tubules as the primer does.

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  • 19. 

    What bonds to collagen fibers in dentin--mechanically "locks in"

    • A.

      Varnish

    • B.

      Bonding (resin) adhesives

    • C.

      Primer

    • D.

      Acid etching

    Correct Answer
    B. Bonding (resin) adhesives
    Explanation
    Bonding (resin) adhesives are the substances that mechanically "lock in" to collagen fibers in dentin. These adhesives form a strong bond with the collagen, creating a stable connection between the dentin and restorative materials such as fillings or crowns. This bond helps to reinforce the weakened tooth structure and improve its strength and durability. Varnish, primer, and acid etching are also commonly used in dental procedures, but they do not specifically bond to collagen fibers in the same way as bonding adhesives.

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  • 20. 

    What materials make up dental composites?

    Correct Answer
    polymers and glass particles
    Explanation
    Dental composites are made up of polymers and glass particles. Polymers provide the matrix for the composite, giving it strength and durability. Glass particles, on the other hand, act as fillers, reinforcing the composite and enhancing its mechanical properties. This combination of polymers and glass particles allows dental composites to be strong, resistant to wear, and aesthetically pleasing, making them a popular choice for dental fillings and restorations.

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  • 21. 

    Post operative instructions for composite restoration for first 24 hours

    • A.

      Avoid extreme hot and cold food or drink

    • B.

      Avoid tea, coffee, cigarettes or foods that stain

    • C.

      Do not brush excessively

    • D.

      Do not use abrasive tooth polish

    • E.

      Exercise caution (materials are brittle)

    • F.

      Watch numb area

    • G.

      Don't eat or drink anything

    Correct Answer(s)
    A. Avoid extreme hot and cold food or drink
    B. Avoid tea, coffee, cigarettes or foods that stain
    C. Do not brush excessively
    D. Do not use abrasive tooth polish
    E. Exercise caution (materials are brittle)
    F. Watch numb area
    Explanation
    The given answer provides a comprehensive list of post-operative instructions for composite restoration for the first 24 hours. These instructions aim to promote healing and protect the newly placed composite restoration. Avoiding extreme hot and cold food or drink helps prevent sensitivity and damage to the restoration. Similarly, avoiding tea, coffee, cigarettes, or foods that stain helps maintain the aesthetic appearance of the restoration. The instructions also emphasize not brushing excessively or using abrasive tooth polish to prevent damage to the restoration. The caution to exercise caution due to the brittleness of the materials and to watch the numb area is important for the patient's safety and comfort. Lastly, the instruction to not eat or drink anything is likely given immediately after the procedure to allow the restoration to fully set.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 04, 2012
    Quiz Created by
    Jlgarner1121
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