Question 179 · LDEK · Etiology and pathogenesis of caries
Which of the following is associated with root-surface caries?
1) Streptococcus mutans;
2) Lactobacillus acidophilus;
3) Gram-positive Actinomyces spp.;
4) Gram-negative Actinomyces spp.
The correct answer is:
2) Lactobacillus acidophilus;
3) Gram-positive Actinomyces spp.;
4) Gram-negative Actinomyces spp.
The correct answer is:
- A. 1,3.
- B. 1,4.
- C. 1,2,3.
- D. 1,2,4.
- E. all the above.
Hint
Consider which bacteria colonize exposed root surfaces, and check the Gram staining of Actinomyces.
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