Teeth Whitening

Question 1

Stains on the external surface of teeth
▶ Poor oral hygiene, eating habits, chromogenic microorganisms, tobacco
▶ Usually, can be removed with prophylaxis

Answer 1

Extrinsic-

Question 2

Deeper internal stains or enamel defects
▶ Advancing age, metabolic drug staining, trauma, endodontic therapy
(tooth dehydration, effects of restorative materials)
▶ More complex to treat and usually requires dental professional to treat

Answer 2

Intrinsic-

Question 3

▶ Most commonly long-term use of minocycline
▶ Dark blue-gray stains more difficult to treat than mild
yellow-orange discolorations
▶ Can require up to 6 months of consistent use of vital
bleaching products

Answer 3

Tetracycline staining

Question 4

_______ migrates through the enamel and breaks
down organic pigment molecules in the enamel and dentin
(primarily dentin)

Answer 4

Hydrogen peroxide

Question 5

Electrochemical reaction to increase pH
making the conducting gel more effective, faster, and less
sensitive

Answer 5

Colgate Optic White:

Question 6

Does colgate optic or hydrogen peroxide require tissue barrier?

Answer 6

Hydrogen peroxide

Question 7

What is the solution that is actually whitening the teeth?

Answer 7

Hydrogen peroxide

Question 8

What is carbamide peroxide?

Answer 8

Hydrogen peroxide and urea In parts 3:1

Question 9

______ is the most important component in shade selection because it is the
lightness to darkness of a hue

Answer 9

Value

Question 10

What solution is used for internal bleaching?

Answer 10

Sodium perborate

Question 11

How long do you leave the internal bleach in place?

Answer 11

1-2 weeks

Question 12

What is not used due to resorption for internal bleaching?

Answer 12

Superoxyl