https://www.selleckchem.com/pr....oducts/pf-2545920.ht
The Fisher exact test, chi-square test, Mann-Whitney U test, Wilcoxon test for paired samples, and sign test were applied to the data (α = 0.05). After 3 students in the control group were excluded because they received fixed orthodontic appliances, 37 students participated in the control group and 40 in the experimental group. Both groups presented a 30% reduction in PI (P less then 0.001) after the interventions. The experimental group flossed significantly more frequently (P = 0.003) than the control group. The interventions had n