To evaluate the antimicrobial activity of Octenidine (OCT) 0.1%, Chlorhexidine (CHX) 0.2% using BANATM kit. Microbiological techniques demonstrated that the combination of SRP and repeated professional plaque removal could have a beneficial effect on the subgingival microbiota.1,2 This has led to use of antimicrobial agents as an adjunct to periodontal therapy.One of the most frequently used antimicrobial agents is chlorhexidinegluconate (CHX), it is a broad spectrum antiseptic with a pronounced antimicrobial effect on both gram negative and gram positive bacteria as well as on some yeast and lipophillic viruses and its prolonged substantivity is still recognized as the gold standard for chemical plaque control.4 0.2% chlorhexidine solution was the first clinically effective mouth rinse that inhibited supragingival plaque formation .5 . There are not many studies done on OCT The results showed that OCT 0.1% was found to be the most effective in substantially reducing total bacterial counts after 42 days time interval. OCT 0.1% was found to be the more effective in substantially reducing total bacterial counts
