“In addition to hijacking the genetic expression of the other members of the oral microbial community, P. gingivalis impairs the gingival immune response, and it is the gingival response that keeps other bacteria in check. The ability of the other members of the community to survive—combined with the genetic expression of virulence factors by bacteria currently understood to be nonparticipants in tissue destruction—is a gruesome development.” In the latest installment of his “Making the Oral-Systemic Connection” blog on DentistryIQ, Richard H. Nagelberg, DDS, explains why as he continues his discussion on the new model of periodontal disease.

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