The aim of this case series was to assess the efcacy of antimicrobial photodynamic therapy in the
treatment of chronic periodontitis. This case series included two subjects with Presence of pocket depth 6
mm or more with clinical attachment loss(CAL) and bleeding on probing (BOP) in minimum of 1 tooth in atleast two quadrants.
After full mouth mechanical debridement (SRP), rst site received no further treatment, whereas, second site was subjected to
photodynamic therapy. SRP+PDT group showed signicant improvement in (CAL) and reduction in probing depth as compared
to SRP group. Therefore, it can be concluded that Photodynamic therapy has its own advantage as an adjunct to SRP in the non
surgical treatment of chronic periodontitis,further research for which may be advocated