Alginate impressions are taken during the crown preparation ...

[james]

Alginate impressions are taken during the crown preparation appointment to ____________.
 a. fabricate the temporary form
  b. create a model of the opposing arch
  c. send to the lab to create the restoration
  d. either b or c

Question 2

Place the steps of a PFM crown in order.
  1 . Shade is selected
  2 . Tooth is prepped
  3 . Polyether or polysiloxane impression is taken
  4 . Bite registration
  5 . Temporary coverage is cemented
 a. 1, 2, 3, 4, 5
  b. 2, 1, 3, 4, 5
  c. 1, 2, 4, 3, 5
  d. 2, 3, 1, 4, 5

[joshraies]

Answer to Question 1

d
RATIONALE: Alginate impressions are taken during the crown preparation appointment to create a model of the opposing arch or to send to the lab to create the restoration.

Answer to Question 2

a
RATIONALE: The steps of a PFM crown are: - Shade is selected - Tooth is prepped - Polyether or polysiloxane impression is taken - Bite registration - Temporary coverage is cemented

[james]

Excellent

[juliaf]

Thanks for the timely response, appreciate it