A Morphometric and Histopathologic Evaluation of the Effects of Propolis on Alveolar Bone Loss in Experimental Periodontitis in Rats
- 1 June 2008
- journal article
- Published by Wiley in The Journal of Periodontology
- Vol. 79 (6), 1089-1094
- https://doi.org/10.1902/jop.2008.070462
Abstract
Propolis collected by honeybees from various plant sources is a resinous hive product possessing a broad spectrum of biologic activities. Propolis has been used extensively in the diet to improve health and prevent disease. The purpose of this study was to analyze the morphometric and histopathologic changes associated with experimental periodontitis in rats in response to the systemic administration of propolis.Forty Wistar rats were divided into four experimental groups: non-ligated (NL; N = 10); ligature only (LO; N = 10); and systemic administration of ligature and propolis (100 mg/kg body weight per day [Pro100; N = 10] or 200 mg/kg body weight per day [Pro200; N = 10]). Silk ligatures were placed at the gingival margin of the lower first molars in both mandibular quadrants. The study duration was 11 days, and the animals were sacrificed at the end of this period. Changes in alveolar bone levels were clinically measured, and tissues were histopathologically examined to assess the differences among the study groups.At the end of 11 days, alveolar bone loss was significantly higher in the LO group compared to the NL, Pro100, and Pro200 groups (P 0.05).The findings of this study provide morphologic and histologic evidence that propolis, when administered systemically, prevents alveolar bone loss in the rat model.Keywords
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