Green tea (Camellia sinesis) is mouth rinse was prepared and its efficacy to use as a mouth wash is tested. Antibacterial and antifungal activity was compared with Chlorhexidine which is a Gold standard and plain drinking water mouth rinse was studied. Non stimulated saliva samples were tested using MSB agar for S. mutans and Rugosa agar for Candida albicans. Colony counts were done per ml of saliva and compared.