Bleaching agent(s) for enamel is (are) ____________. a. sodium ...

[MGLQZ]

Bleaching agent(s) for enamel is (are) ____________.
 a. sodium perborate
  b. carbamide peroxide
  c. hydrogen peroxide
  d. all of the above

Question 2

__________ bleaching in a nonvital tooth is a thick mixture of bleaching agent placed in the crown of the tooth, covered with temporary cement, and reappointed in 2 to 5 days.
 a. Gel
  b. Walking
  c. Power
  d. Assisted

[bimper21]

Answer to Question 1

d
RATIONALE: Bleaching agents for enamel are sodium perborate, carbamide peroxide, and hydrogen peroxide.

Answer to Question 2

b
RATIONALE: Walking bleaching in a nonvital tooth is a thick mixture of bleaching agent placed in the crown of the tooth, covered with temporary cement, and reappointed in 2 to 5 days.

[MGLQZ]

Thank you

[bimper21]

No problemo