Abstract
The purpose of this study is to evaluate the effects of the probiotics Bifidobacterium animalis subsp.lactis HN019 on ligature-induce periodontitis in rats. 32 rats will be divided into 4 groups: C (control), C-HN019 (control + HN019), PD (periodontal disease) and PD-HN019 (periodontal disease + HN019). Periodontal disease (PD) will be induced with the placement of ligatures around first …