Bacteriology

Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?

  • A. Cocci
  • B. Spirochetes
  • C. Bacteriophages
  • D. Filamentous rods
Answer: Option B.
Explanation: 

No answer description available for this question

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