Biological Activity of Copaiba in Damage to the Alveolar Bone in a Model of Periodontitis Induced in Rats
2022
Vinicius Ruan Neves dos Santos | João Victor da Silva Motta | Deborah Ribeiro Frazão | Railson de Oliveira Ferreira | Deiweson Souza-Monteiro | Daiane Claydes Baia-da-Silva | Paulo Fernando Santos Mendes | Leonardo Oliveira Bittencourt | João Daniel Mendonça de Moura | Osmar Alves Lameira | Gabriela de Souza Balbinot | Fabrício Mezzomo Collares | Cassiano Kuchenbecker Rösing | Rafael Rodrigues Lima
Several studies have investigated the effects of natural products in the treatment of diseases. Traditional Amazonian populations commonly use copaiba due to its well-known anti-inflammatory, antibacterial, and healing properties. In this study, we aimed to investigate the effects of systemic administration of copaiba oleoresin (Copaifera reticulata Ducke) on ligature-induced periodontitis in rats. To do so, 21 adult rats were divided into three groups (n = 7 each): a control group, ligature-induced periodontitis group, and ligature-induced periodontitis group treated with copaiba oleoresin (200 mg/kg/day). The ligature remained from day 0 to 14, and the copaiba oleoresin was administered via oral gavage during the last seven days. On day 14, the animals were euthanized, and mandibles were collected for histopathological evaluation and microcomputed tomography analysis. Our data showed that the administration of copaiba considerably reduced the inflammatory profile. Moreover, copaiba oleoresin limited alveolar bone loss, increased trabecular thickness and bone-to-tissue volume ratio, and decreased the number of trabeculae compared with those of the untreated experimental periodontitis group. Our findings provide pioneering evidence that supports the potential of copaiba oleoresin in reducing periodontitis-induced alveolar bone damage in rats.
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