Final Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| T/F: If an alginate (irreversible hydrocolloid) impression is not successful you can reuse by reheating? | False
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| What are ways to improve comfort? | Quick setting alginate
Select and try in a different sized tray
Push tray into place more firmly
Alter the tray by trimming the edges
Pad the edge of the tray with some soft wax
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| What will extra water do to impression material? | Will make it weaker and make the setting time slower.
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| What will give you more time with alginate? | Cold water will allow it to set slowly giving more work time in the mouth.
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| What is a disadvantage of working with cold water? | Doesn't set in a good manner of time to keep the patient comfortable.
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| What ways could you make plaster set up faster? | heat it up using a blow dryer on low setting,
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| What ways could you make plaster set up slower? | refrigerate the water to make is cold
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| For cementing a gold crown, which of the following would be an undesirable cement? | cement that shrinks it will form gaps that will become a plaque trap.
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| For a porcelain crown which of the following would be an undesirable cement characteristic? | cement that expands as it sets, you want it to be a neutral as possible.
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Created by:
daisenmurray
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