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Questions and Answers
What is one of the reasons for using base and lining materials?
What is one of the reasons for using base and lining materials?
- Enhancing the color of restorations
- Prevention of microleakage (correct)
- Promoting heat/cold conduction from metallic restorations
- Facilitating pulp removal
What property should an ideal lining material possess?
What property should an ideal lining material possess?
- High thermal conductivity
- Bactericidal or bacteriostatic properties (correct)
- Low physical strength during restoration insertion
- Radiolucency in the X-ray
What is the purpose of insulation provided by base and lining materials?
What is the purpose of insulation provided by base and lining materials?
- Insulation against bacterial growth
- Insulation against temperature changes and electrical stimuli under metallic restorations (correct)
- Insulation against mechanical stresses
- Insulation against chemical reactions with restorative materials
Why is it important for a lining material to be insoluble in oral fluids?
Why is it important for a lining material to be insoluble in oral fluids?
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What effect should an ideal lining material have on the marginal seal?
What effect should an ideal lining material have on the marginal seal?
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Study Notes
Base and Lining Materials
- One of the reasons for using base and lining materials is to protect the pulp from thermal shock.
Ideal Lining Material Properties
- An ideal lining material should possess good thermal insulation properties.
Purpose of Insulation
- The purpose of insulation provided by base and lining materials is to protect the pulp from thermal shock, reducing the risk of pulpal damage.
Importance of Insolubility
- It is important for a lining material to be insoluble in oral fluids to prevent dissolution and maintain its structure and function over time.
Effect on Marginal Seal
- An ideal lining material should not interfere with the marginal seal, ensuring a hermetic seal between the tooth and the restoration.
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