Resumo

SIMANCAS-ESCORCIA, Víctor; DIAZ-CABALLERO, Antonio  e  VERGARA-HERNANDEZ, Clara. Morphological aspects in vivo and in vitro of gingival fibroblasts in patients with gingival overgrowth. Entramado [online]. 2020, vol.16, n.2, pp.276-284.  Epub 21-Jan-2021. ISSN 1900-3803.  https://doi.org/10.18041/1900-3803/entramado.2.6705.

Gingival overgrowth (GO) is the excessive increase in the volume of the gingival tissue. GO is commonly associated with systemic diseases, prolonged intake of medications, and local factors such as orthodontic treatment. The purpose of this work was to identify and describe the in vivo and in vitro morphological aspects of gingival tissues and fibroblasts in patients with GO due to orthodontics and healthy individuals. The identification of collagen and elastic fibers of the gingiva of four patients with GO by orthodontics and five healthy individuals were performed using Masson-Golgner and Orcein stains, respectively. From cell cultures, the morphology of gingival fibroblasts was studied by immunofluorescence. For this purpose, anti-actin and anti-vimentin antibodies were used. In patients with GO due to orthodontia, epithelial tissue with acanthosis and hyperkeratinization was observed, accompanied by a compact network of collagen fibers. The elastic fibers of GO patients had a diffuse and random arrangement in the connective tissue. In vitro, gingival fibroblast from orthodontic GO patients and healthy individuals were morphologically similar

Palavras-chave : Orthodontics; fibroblasts; gingiva; gingival overgrowth (Source: DeCS).

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