Meimandi, M., Talebi Ardakani, M.R., Esmaeilnejad, A., Yousefnejad, P., Saebi, K. and Tayeed, M.H. 2017. The Effect of Photodynamic Therapy in the Treatment of Chronic Periodontitis: A Review of Literature. Journal of Lasers in Medical Sciences. 8, 3 (Aug. 2017), S7-S11.