gingivalis IgA antibodies in saliva is considered as an indirect indicator of periodontitis, these findings may be consistent with the scarce literature, which found that periodontal disease, the presence of periodontal pockets and bone loss, and oral infections are associated with the leprosy reaction (Motta et al. 2010, 2011; Cortela et al. 2015). This evidence concerns the gene CD79A and leprosy.