Fig. 2From: CpG immunostimulatory oligodeoxynucleotide 1826 as a novel nasal ODN adjuvant enhanced the protective efficacy of the periodontitis gene vaccine in a periodontitis model in SD ratsEvaluation of periodontitis model in rats at week 8. HE staining result of the maxilla on one side of one rat from each of blank group (a) and pVAX1 group (b). Scale bars represent 20 μm. Magnification, 100×. Detection of buccal alveolar bone and palatal alveolar bone damage of the maxilla on the other side of one rat from each of blank group (c) and pVAX1 group (d) by stereomicroscopy and immunohistochemical stainingBack to article page