Which of the Following Microorganisms Is Associated with the Pathogenesis

question 16

Multiple Choice

Which of the following microorganisms is associated with the pathogenesis of necrotizing ulcerative gingivitis (NUG) ?

• A)Spirochetes
• B)Actinobacillus actinomycetemcomitans
• C)Streptococcus mutans
• D)Porphyromonas gingivalis

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