Reducing Dental Plaque and Gingivitis With 0.6% Cortex Ilicis Rotundae Toothpaste: A Randomized, Double‐Masked Clinical Trial

Background: Cortex Ilicis Rotundae has antioxidant and anti-inflammatory properties. Few studies have evaluated the effects of toothpastes containing Cortex Ilicis Rotundae. This study evaluates the antiplaque and antigingivitis effects of a test toothpaste containing 0.6% Cortex Ilicis Rotundae extract in a calcium carbonate base compared with a control toothpaste without any active ingredient.Methods: One hundred adults with a mean plaque index (PI) ≥1.5 and a mean gingival index (GI) ≥1.0 were enrolled in this randomized, double-masked, placebo-controlled clinical trial. They were assigned randomly to use a test toothpaste or a control toothpaste. At baseline, 6 weeks, and 12 weeks, they received examinations of oral hard and soft tissues, using Loe-Silness GI for gingivitis and the Turesky modification of the Quigley-Hein PI for PI. Adverse events were monitored.Results: When the study was completed, the test group reported lower mean GI than the control group (1.13 ± 0.22 versus 1.30 ± 0.23; P = 0.00...