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PeriodontologyQuestion 8 / 10

Which bacterium of the 'red complex' is most strongly associated with chronic periodontitis?

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✓ Correct answer: D. Porphyromonas gingivalis Porphyromonas gingivalis, a Gram-negative anaerobe of the red complex, is a key periodontal pathogen; S. mutans and Lactobacillus are caries-related.

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Topic: Periodontology
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