Which bacterium belongs to Socransky's red complex?

  • Correct answer

    Treponema denticola

  • Fusobacterium nucleatum

  • Aggregatibacter actinomycetemcomitans

  • Actinomyces naeslundii

This question is one of 15 in AFK practice: Periodontics. Test yourself on all of them.

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Explanations

  • The red complex consists of Porphyromonas gingivalis, Tannerella forsythia and Treponema denticola, which are strongly associated with deep pockets and bleeding. Fusobacterium nucleatum is a member of the orange complex.

    Source: Newman and Carranza's Clinical Periodontology — oneguy

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