Abstract
The purpose of this study will be to evaluate the expression of antimicrobial peptides in the periodontal tissues of rats with ligature-induced periodontitis treated or not with the probiotic Bifidobacterium animalis subspecies lactis HN019. 32 rats will be assigned to four experimental groups: C (control), DP (periodontal disease), PROB (probiotic) and DP/PROB (periodontal disease with p…