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Figure 1. Localization of P. gingivalis and P. gingivalis-carrying fimbriae in human periodontal pockets. In panels A and B, each number indicates the sample number (Nos. 1–11). This is also shown in Table 1. (A) In all 6 anti-P. gingivalis-positive samples, the reactions are scattered throughout almost all of the 9 separate sites. (B) Positive reactions with the anti-P. gingivalis fimbriae serum are detected in 6 samples. In all 6 positive samples, the reactions are found in the cementum-attached plaque area at the bottoms of the periodontal pockets. In the epithelium-associated plaque area, the reactions for the fimbriae are observed only in 2 positive samples.
