Inclusion Criteria:  Systemically healthy (ASA 1 or 2) adults over the age of 18 A similar number of bilateral 5-8 mm pocket depths Diagnosed with Stage II or Stage III chronic periodontitis.  Exclusion Criteria:  Uncontrolled systemic illness that may affect healing or clotting such as diabetes mellitus, immunocompromisation, bleeding disorders, ongoing chemo- or radiotherapy Active smokers Pregnancy Periodontal treatment in the last six months Antibiotic therapy within three months prior to treatment Taking medications that could affect periodontal status or healing