Chlorhexidine mouthwash is conventionally used antibacterial agent but it has reported side-effects on its long term use. Herbal mouthwash can be an effective alternative to gold standard chlorhexidine mouth wash on long term use. Materials and Methods: It was a single centre multiple arm parallel placebo controlled randomized controlled trial

Keywords : Mouthwash , Green Tea , Chlorhexidine , Plain Water , Plaque , Streptococcus Mutans