Question 87 (part 2) · LDEK · Developmental disorders of teeth
Choose causes of internal tooth discoloration:
1) chromogenic bacteria of dental plaque;
2) alkaptonuria;
3) oral iron supplementation;
4) hyperbilirubinemia;
5) impregnation;
6) chlorhexidine;
7) congenital porphyria;
8) tetracyclines.
Correct answer is:
2) alkaptonuria;
3) oral iron supplementation;
4) hyperbilirubinemia;
5) impregnation;
6) chlorhexidine;
7) congenital porphyria;
8) tetracyclines.
Correct answer is:
- A. 1,3,6.
- B. 2,4,7,8.
- C. 2,3,4,8.
- D. 2,3,4,7.
- E. 5,8.
Hint
Separate stains lying on the tooth surface or in plaque from pigments built into enamel and dentin from the bloodstream during development.
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