Periodontics · single question
A 24-year-old female complains her gums bleed when flossing, with mild generalized calculus and minimal plaque. Which organism is most associated?
Show answer and explanation
Correct answer: A. Aggregatibacter actinomycetemcomitans
- A. CORRECT. Disproportionate attachment loss with minimal plaque in a young patient suggests aggressive periodontitis, classically linked to A. actinomycetemcomitans.
- B. INCORRECT. P. gingivalis is a key pathogen in chronic adult periodontitis with heavier plaque.
- C. INCORRECT. P. intermedia is associated with pregnancy and necrotizing gingivitis.
- D. INCORRECT. T. forsythia is part of the red complex in chronic periodontitis.