Periodontitis, Chronic, also known as chronic periodontitis, is related to gingival recession and acute pericementitis. An important gene associated with Periodontitis, Chronic is MMP8 (Matrix Metallopeptidase 8), and among its related pathways/superpathways are Innate Immune System and Cytokine Signaling in Immune system. The drugs Hyaluronic acid and Minocycline have been mentioned in the context of this disorder. Affiliated tissues include bone and bone marrow, and related phenotype is neoplasm.