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Effects of boric acid on experimental periodontitis and alveolar bone loss in rats
(Pergamon-Elsevier Science Ltd, 2012) Demirer, Serhat; Kara, M. Isa; Erciyas, Kamile; Ozdemir, Hakan; Ozer, Hatice; Ay, Sinan
Objective: The goal of the present study was to evaluate the histopathologic and morphometric effects of systemic boric acid in a rat periodontitis model. Design: Twenty-four Wistar rats were divided into three groups of eight animals each: non-ligated (NL), ligature only (LO), and ligature and treated with boric acid (BA) (3 mg/kg per day for 11 days). A 4/0 silk suture was placed in a subgingival position around the mandibular first molars; after 11 days the rats were sacrificed, and changes in alveolar bone levels were measured clinically and tissues were histopathologically examined to assess the differences amongst the study groups. Results: The ratio of presence of inflammatory cell infiltration (ICI) and osteoclast number in the LO group was significantly higher than that of the NL and BA groups (p < 0.05). The ratio of presence of osteoblastic activity in the LO group was significantly lower than that of the NL and BA groups (p < 0.05). Alveolar bone loss was also significantly higher in the LO group compared to the BA and NL groups (p < 005). Conclusions: This study has demonstrated that systemic administration of boric acid reduced periodontal inflammation and alveolar bone loss in periodontal disease in rats. (C) 2011 Elsevier Ltd. All rights reserved.