Sample selection
A total of 45 patients who satisfied the selection criteria of high caries risk group were included in the study. All patients
subjected for the study were informed about study protocols
and written consent was obtained. They were randomly
divided into three groups each containing 15 patients (n =
15); Group 1-20% aqueous extract of T. chebula mouth wash;
Group 2-20% aqueous extract of E. officinalis mouth wash;
Group 3-0.2% chlorhexidine mouth wash