Comparing Photodisinfection of Chitosan NP Enriched ICG Over ICG as Adjunct to OFD: RCT

Inclusion criteria: * Systemically healthy subjects * Age group 30-55yrs. * Diagnosed with Stages II/III grade B/C periodontitis. * Presenting with persistent pocket depth ≥5mm after initial non-surgical therapy. * Optimal plaque control * Good compliance Exclusion criteria: * Subjects on antibiotic therapy within last six months of enrollment * Previous history of periodontal surgery * Allergy to drugs and materials used in this study * Pregnant woman * Subjects with deleterious habits like smoking, tobacco chewing.