Fig. 3

Histological analysis (H&E). Photomicrographs under conventional light and fluorescence microscopy showing histological sections at the periodontal tissues in the interproximal regions of the maxillary second molars for (a) and (b) healthy group; (c) and (d) experimental periodontitis group; (e) and (f) experimental periodontitis + Tocilizumab group. Staining: Hematoxylin and Eosin. Magnification: 400X.