Dental Materials

Card Set Information

Author:
cassiedh
ID:
70356
Filename:
Dental Materials
Updated:
2011-03-23 14:31:58
Tags:
ch9reviewquestions
Folders:

Description:
ch 9 review questions
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user cassiedh on FreezingBlue Flashcards. What would you like to do?


  1. in the amalgam restoration which of the following elements has the most effect on corrosion reduction?
    A. silver (Ag)
    B. copper (Cu)
    C. iron (Fe)
    D. mercury (Hg)
    B. copper (Cu)
    (this multiple choice question has been scrambled)
  2. In the amalgam restoration the two main components are
    A. silver and copper
    B. copper and tini
    C. silver and mercury
    D. mercury and zinc
    C. silver and mercury
    (this multiple choice question has been scrambled)
  3. why should all remnants of amalgam be removed form the placement instruments before they are autoclaved?
    a. the steam causes the amalgam to fuse to the stainless steel
    b. amalgam corrosion products produce by the steam are toxic
    c. the heat cuases mercury vapor to be released from the amalgam
    d. blah blah blah blah blah
    • d. blah blah blah blah blah...okay not really its
    • C. the heat causes mercury vapor t be released from the amalgam
  4. the strength of the amalgam restoration can be affect by
    a. over trituration
    b. under trituration
    c. corrosion
    d. all of the above
    d. all of the above
  5. a properly mixed amalgam should appear
    A. dry and crumbly
    B. soupy and shingy
    C. as a homgeneous mass with a slight shine
    D. liquid like and should pour easily out of the capule
    C. as a homogeneous mass with a slight shine
    (this multiple choice question has been scrambled)
  6. scrap amalgam should be
    A. put into the genral nonmedical waste
    B. stored under water in a sealed container
    C. thrown into the incinerator
    D. autoclaved before it is sent to the recycler
    B. stored under water in a sealed container
    (this multiple choice question has been scrambled)
  7. with high copper alloys, which metal reacts with copper to reduce gamma2 phase corrosion
    A. silver
    B. lead
    C. zinc
    D. tin
    D. tin
    (this multiple choice question has been scrambled)
  8. the fact that mercury makes up almost half of the amalgam has caused concerns about
    a. its safety for pt use
    b. risks to the office staff
    c. environmental effects of improper disposal of amalgam waste
    d. all of the above
    d. all of the above
  9. amalgam has been popular for restorations of carious teeth because
    a it is economical
    b. it has excelletn physical properties
    c. it is easy to manipulate
    d. all of the above
    d. all of the above
  10. bonding an amalgam during placement of a resoration
    A. increase posoperative sensitivity
    B. prevents tarnish
    C. keeps it from corroding
    D. seals the margins and reduces microleakage
    D. seals the margins and reduces microleakage
    (this multiple choice question has been scrambled)
  11. how dose tarnish differ from coorosion?
    A. tarnish is more harmful than corrosion
    B. tarnish occurs only on the surface
    C. tarnish contributes to destructive effects seen in gamma 2 phase
    D. I think I have developed carpal tunnel from typing all these
    B. tarnish occurs on the surface
    (this multiple choice question has been scrambled)

What would you like to do?

Home > Flashcards > Print Preview