Light Nitrous
please help with these questions?
1. All the following are viscosities that ar provided with polyvinylsiloxanes except
a. light-bodied
b. putty
c. medium-bodied
d. rigid-bodied
2. Varnishes act as a sealer and are painted on the
a. cementum
b. pulp
c. dentin
d. root
3. For an elastomeric impression material, all the following viscosities are recommended for being as the primary material in a tray except
a. light-body
b. medium-body
c. heavy-body
d. putty
4. Which of the following is the most commonly used inhalational agent in dentistry?
a. enflurane
b. nitrous oxide
c. halothane
d. putty
5. which of these benefits is not true of light-cure composities.
a. unlimited working time
b. minimal finishing
c. cures where the light doesn't reach
d. cures quickly where the light does reach
6. Dental alloy is composed of three primary metals. Which of the following is not one of the three primary metals?
a. lead
b. silver
c. copper
d. tin
1.d) rigid bodied
http://www.ada.org.au/App_CmsLib/Media/Lib/0610/M29542_v1_632974613009503750.pdf
2.d) dentin (NOT the root, because only when the dentin of the root surface gets exposed. Root usually has cementum to cover / protect it. It is NOT always required to place a varnish unless the dentin gets exposed).
3.d) putty
4.b) nitrous oxide
5.c) cures where the light doesn't reach
6.a) Lead
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