22 March 2016 Photodynamic therapy in non-surgical treatment of chronic periodontitis: short term randomized clinical trial study
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Proceedings Volume 9670, Sixth International Conference on Lasers in Medicine; 96700D (2016) https://doi.org/10.1117/12.2191113
Event: Sixth International Conference on Lasers in Medicine, 2015, Bucharest, Romania
Abstract
Introduction: Periodontitis is a chronic inflammatory disease due to exposition to plaque and tartar. Conventional treatments consist of scaling and root planing (SRP) and antibiotics administration. Among them encouraging results have been obtained using alternative protocols, like the antimicrobial photodynamic therapy (PDT).

Aim of the Study: Evaluation of PDT effects added to conventional methods.

Materials and Methods: 11 patients (4M/7F, 37-67 years aged, non-smoking) affected by untreated chronic periodontal disease, with >3mm pockets in at least 4 teeth were divided in two groups, test and control group. Each patient had to made full-intraoral before and after the treatment. The test group received SRP+PDT, while the control group was subjected to SRP. The PDT was performed through the HELBO®TheraLite (Bredent Medical), diode laser battery powered 670nm with an output of 75mW/cm2. The Helbo Blue photosensitizer, containing methylene blue, was used. The exposure time to the laser effect was of 10’’ for each site, for a total of 60’’ at 3J/cm2.

Results: Both groups had a significant improvement in the reduction of pocket depth (PD), above all in the test group. Statistical analysis was performed through the T-test, evaluating PD between the two groups p=0.96 (p> 0.05), resulting not statistically significant.

Conclusion: PDT is a promising support to SRP, achieving a significant reduction in the pocket depth, but more cases are needed to confirm the validity of the used protocol.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. Russo, C. Russo, G. Palaia, G. Palaia, E. Loskutova, E. Loskutova, F. Libotte, F. Libotte, R. Kornblit, R. Kornblit, G. Gaimari, G. Gaimari, G. Tenore, G. Tenore, U. Romeo, U. Romeo, } "Photodynamic therapy in non-surgical treatment of chronic periodontitis: short term randomized clinical trial study", Proc. SPIE 9670, Sixth International Conference on Lasers in Medicine, 96700D (22 March 2016); doi: 10.1117/12.2191113; https://doi.org/10.1117/12.2191113
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