Question 322 · LDEK · Tooth discoloration and bleaching

Which of the following reasons for teeth staining is not classified as intrinsic discolorations?

  1. A. discolorations due to fluorosis.
  2. B. staining from tetracycline.
  3. C. staining as a result of hereditary disorder.
  4. D. tooth yellowing of the due to pulp chamber calcification after trauma.
  5. E. staining resulting from rinsing with mouthwash containing chlorhexidine.
Hint

Decide whether the pigment is incorporated within the tooth structure or deposited on its surface.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Conservative dentistry