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Exam (elaborations)

CHAPTER 4 EFDA HOTTEL BASES AND LINERS QUESTIONS AND ANSWERS 2025

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CHAPTER 4 EFDA HOTTEL BASES AND LINERS QUESTIONS AND ANSWERS 2025

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CHAPTER 4 EFDA LATEST
HOTTEL BASES AND
LINERS

What can zinc oxide eugenol be used for? - ANSWERS-temporary
cement
temporary restoration
base under an amalgam


What can zinc phosphate cement be used for? - ANSWERS-to protect
pulp
esthetic reasons
help with gray appearance from amalgams


What are the 9 reasons to use bases and liners? - ANSWERS-1. caries
2.tramatic occl.
3. effect of cutting bus
4. desiccation
5. condensation pressure
6. chemical irritation
7. temperature changes

END OF
PAGE 1

, CHAPTER 4 EFDA LATEST
HOTTEL BASES AND
LINERS
8. dimensional changes
9. lack of marginal seal


Basic function of a sealer? - ANSWERS-1. seal off dentin tubules/
prevent chemical irritation
2. reduces leakage around restoration
3. Do not offer thermal protection


Cavity varnish - ANSWERS-a thin layer placed on the floor and walls of
the preparation to seal the tubules and minimize micro-leakage on
amalgam fillings.


What is a reinforcer? - ANSWERS-used to protect the pulp from
pressures during condensing


Types of Reinforcers - ANSWERS-any material used in a thick layer
between floor of prep and restorative material.


Insulators - ANSWERS-protect pulp from thermal irritation

END OF
PAGE 2

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