Which of the following bacterium is very strongly pathogenic for periodontal disease?

Question

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Porphyromonas gingivalis is a Gram-negative anaerobic bacterium that is strongly associated with the development and progression of periodontal disease. It is capable of invading host cells and tissues, evading the immune response, and promoting inflammation and tissue destruction. Treponema denticola, Prevotella intermedia, and Streptococcus sanguis are also associated with periodontal disease, but not as strongly as P. gingivalis.

Which of the Following Bacterium Is Very Strongly Pathogenic for Periodontal