evidence: There was no significant difference when the efficacy of triphala was compared with 0.2% chlorhexidine in hospitalized patients with periodontal disease.
intervention: rinse their mouths with 0.2% chlorhexidine or triphala mouthwash for 1 minute twice daily for two weeks
comparator: rinse their mouths with 10 mL of distilled water for 1 minute twice daily for two weeks 
outcome: The plaque index (PI) and the gingival index (GI)