Periodontics · single question
The microflora of a healthy gingival sulcus is predominantly composed of which bacteria?
Show answer and explanation
Correct answer: A. Gram-positive (aerobic cocci)
- A. Correct. Health is associated with predominantly gram-positive aerobic/facultative cocci (e.g., Streptococcus, Actinomyces).
- B. Gram-negative anaerobes dominate in disease (periodontitis), not health.
- C. Spirochetes are markers of disease/deep pockets, not health.
- D. Motile rods increase with disease progression, not in a healthy sulcus.