Question 322 · LDEK · Tooth discoloration and bleaching
Which of the following reasons for teeth staining is not classified as intrinsic discolorations?
- A. discolorations due to fluorosis.
- B. staining from tetracycline.
- C. staining as a result of hereditary disorder.
- D. tooth yellowing of the due to pulp chamber calcification after trauma.
- 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.
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