Injectable Platelet Rich Fibrin With Non Surgical Periodontal Therapy

Clinical evaluation of local subgingival application of injectable platelet-rich fibrin ( i-PRF ) for chronic periodntitis as adjunctive to non surgical therapy and compare it with hyaluronic acid. 120 periodontal patients will receive a scaling and root planing ( non surgical periodontal therapy). Equal number of patients will receive subgingival application of i-PRF, hyaluronic acid or placebo gel as the adjunction to non surgical therapy.