Question 123 · LDEK · Dental plaque and calculus

Which of the following does not belong to Socransky’s orange complex:

  1. A. P. intermedia.
  2. B. P. nigrescens.
  3. C. S. constellatus.
  4. D. F. nucleatum.
  5. E. T. denticola.
Hint

One of the listed organisms is a spirochete belonging to the most pathogenic complex, which colonises after the orange bridging bacteria.

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