Fig. 5From: Efficacy of (−)-epigallocatechin gallate delivered by a new-type scaler tip during scaling and root planing on chronic periodontitis: a split-mouth, randomized clinical trialMean relative abundance of red complex pathogens. Within-group and between-group comparison using Wilcoxon signed rank test (*p < 0.05, month 3, 6 vs baseline; #p < 0.05, SRP plus EGCG vs SRP)Back to article page