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ADA NBDE National Board Dental Part I

Category - NBDE

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An oral abscess with periodontitis caused by a polymicrobic infection is often due to which of the following?

israelii following tooth extraction
autoinfection with oral anaerobes
autoinfection with oral Staphylococcus spp.
periodontitis is not an infectious process

Explanation

Answer: B - In the oral cavity, anaerobes such as Bacteroides, Fusobacterium, Prevotella, and Porphyromonas make up the most common genera. The main etiological agents of periodontitis (soft oral tissue infections) and endodontic (root canal infections) belong to those four genera.

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ADA NBDE National Board Dental Part I

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ADA NBDE National Board Dental Part I

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