Fig. 1From: Alterations and correlations in dental plaque microbial communities and metabolome characteristics in patients with caries, periodontitis, and comorbid diseasesVenn diagram of caries, periodontitis, and comorbid diseases. Different colours in the figure represent different samples or groups, and the numbers in the pairwise overlap part are the number of OTUs common between two samples or groups. Similarly, the number in the overlapping part indicates the number of OTUs common among multiple samples or groupsBack to article page