“…Our results were in the same direction with Chauhan et al, 18 who observed that a significant reduction in (PPD) and gain in (CAL) between base line and three months follow up (P <0.05). In a randomized, control clinical trial, 19 In contrast to our findings a systematic review on the effects of local antimicrobials as adjuncts to subgingival debridement, compared with subgingival debridement alone, in the treatment of chronic periodontitis demonstrated that the application of CHX and metronidazole showed a minimal effect when compared with placebo on BOP, CAL and PPD. 20 A systematic review of the effect of full mouth debridment with and without antiseptics in patients with chronic periodontitis by Lang et al, 21 reported that despite the significant differences of modest magnitude, full mouth debridement with antiseptic or full mouth scaling and root planning without antiseptic don't provide clinically relevant advantages over conventional staged debridement in BOP, CAL and PPD.…”