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Figure 1. Species detected by oligonucleotide DNA probes in reverse-capture checkerboard assay from paired tongue and subgingival samples of 121 healthy and early periodontitis individuals. Species detected more frequently from tongue samples are at the top of the Fig., and those detected more frequently subgingivally are at the bottom of the Fig. #Species prevalence differs, tongue vs. subgingival, McNemar’s Chi-square p < 0.05. *Species-associated tongue and subgingival Chi-square for associations, p < 0.05.
