Aim Periodontitis is a site-specific. chronic disease treated by non-surgical debridement of subgingival plaque. We aimed to determine the microbiome of sites that did not respond to this treatment (NR) compared with paired good responding (GR) sites before and after treatment. Materials and methods In a longitudinal cohort study. https://megavitamines.shop/product-category/prenatal-multivitamins/