Question 376 · LDEK · Other
Indicate factors that cause internal tooth discoloration:
1) iron products;
2) pulpopathies;
3) tannins contained in drinks;
4) ciprofloxacin;
5) dental caries;
6) pollutants (mercury, lead, copper, nickel).
The correct answer is:
2) pulpopathies;
3) tannins contained in drinks;
4) ciprofloxacin;
5) dental caries;
6) pollutants (mercury, lead, copper, nickel).
The correct answer is:
- A. 1,2,3,5,6.
- B. 1,2,4,6.
- C. 3,4,6.
- D. 2,4,5.
- E. 4,6.
Hint
Distinguish stains deposited on the tooth surface from colour changes that arise within enamel, dentine or pulp.
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