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1 Principal, Professor & Head of Department, Department of Periodontology, Rajarajeswari Dental College and Hospital, Bangalore-560074 2 Post graduate, Department of Periodontology, Rajarajeswari Dental College and Hospital, Bangalore-560074 3 Reader, Department of Periodontology, Rajarajeswari Dental College and Hospital, Bangalore-560074 *Corresponding Author Dr Sunita R. Pal Post graduate, Dept of Periodontology, Rajarajeswari Dental College and Hospital, Bangalore-560074, India Tel: +91 9611654096; Email: sunitarpal1989@gmail.com Abstract Introduction: Chronic periodontitis is treated routinely by scaling & root planing. An innovative therapy represented by the irradiation of periodontal pockets with laser & photodynamic therapy can be considered as a promising novel approach for eradicating pathogenic bacteria in periodontitis. Aim and Objectives: To compare the efficacy of Diode laser & Photodynamic therapy with SRP and SRP alone in chronic periodontitis patient. Methodology: A total of 11 patients aged between 30 – 50 years diagnosed as chronic generalised periodontitis were selected for the study & grouped as:  Group 1 (10 sites were treated with scaling and root planing alone).  Group 2 (10 sites were treated with scaling and root planing followed by diode laser therapy),  Group 3 (10 sites were treated with scaling & root planing followed by methylene blue mediated photodynamic therapy) The clinical parameters were evaluated at baseline, 1 st week & 3 rd week interval after therapy, Subgingival plaque samples were collected using sterilized curette and total bacterial count were evaluated. Results: Significant reduction in clinical & microbial parameters was seen in group 2 and group 3 i.e., reduction in mean CFUs, However, greater statistically significant reduction was observed in group 3. Conclusion: Photodynamic therapy is a valuable treatment modality adjunctive to conventional scaling and root planing in comparison with diode laser therapy. Keyword: Lasers, Root planing, Photosensitizer, Chronic periodontitis, Reactive oxygen species.

journal of medical science and clinical research

Efficacy of Photodynamic Therapy and Diode laser therapy as an adjunct to Scaling and Root Planing in the treatment of Chronic Periodontitis – A Clinical &amp; Microbiologic Short Term Study