Influence of Gingival Biotype on the Outcome of Open Flap Debridement

Inclusion Criteria: * Systemically healthy patients with moderate to severe chronic periodontitis * Age 25-55 years * Clinical attachment loss(CAL) ≥3 mm * Probing pocket depth (PPD) ≥5 mm * Possessing ≥20 natural teeth. Exclusion Criteria: * Patients with vertical bone loss * Current or former smokers or use of tobacco in any form * Pregnant women, lactating mothers and women taking oral contraceptives * Patient who had undergone periodontal treatment within 6 months prior to the study * Patient on anti-inflammatory drugs or antibiotics or history of treatment with medication known to influence periodontal status or healing such as statins, glucocorticoids, phenytoin, calcium channel blockers, immunosuppressants, bisphosphonates or any other host modulatory drug within six months of commencement of study * Patient with average plaque index ≥1.5 after phase 1 therapy * Miller Grade II /Grade III tooth mobility after SRP * Periapical infection in any tooth of the surgical treatment segment.