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Anat Cell Biol

Published online September 28, 2022

https://doi.org/10.5115/acb.22.088

Copyright © Korean Association of ANATOMISTS.

Morphological, ultrastructural, and biochemical changes induced by sodium fluoride in the tongue of adult male albino rat and the ameliorative effect of resveratrol

Emtethal M. El-Bestawy , Asmaa M. Tolba , Walaa A. Rashad

Department of Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, Sharqia Governorate, Egypt

Correspondence to:Asmaa M. Tolba
Department of Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, Sharqia Governorate 44519, Egypt
E-mail: asmaaabdalaal1980@gmail.com

Received: April 17, 2022; Revised: June 5, 2022; Accepted: June 21, 2022

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Little knowledge is available about the effects of fluoride exposure on the tongue. This study evaluated the effects of sodium fluoride (NaF) on the tongue ultrastructure and detected the ameliorative effects of resveratrol. Forty adult albino rats were separated into 4 groups: the control group was given a balanced diet and purified water. The NaF treated group: received 10 mg/kg/d dissolved in 2.5 ml distilled water once daily for 30 days orally. The NaF+resveratrol group: received NaF 10 mg/kg/d orally together with resveratrol in a dose of 30 mg/kg daily for 30 days. The resveratrol group was subjected to resveratrol in a dose of 30 mg/kg/d by oral gavage for 30 days. Sections were stained with hematoxylin & eosin, and Masson’s trichrome. Tumor necrosis factor α immunohistochemical study and electron microscopic examinations were done. The oxidative stress markers malondialdehyde, antioxidant reduced glutathione, and the total antioxidant capacity were measured. The NaF group revealed ulceration, necrotic muscle fibers, distorted papillae and a significant increase in malondialdehyde level, and a significant decrease in glutathione and the total antioxidant levels. In the NaF+resveratrol group, pathological changes were less, and the oxidant levels were decreased by the administration of resveratrol with NaF. In conclusion, NaF adversely affects the ultrastructure of the adult rat tongue and resveratrol can ameliorate this effect.

Keywords: Sodium flouride, Resveratrol, Tongue, Rat, Electron microscopy

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