Abstract

To gain a better understanding of how fluoride causes gastrointestinal distress, we conducted an experimental study on rabbits to evaluate damage to the gastroduodenal tissue by sodium fluoride. Young albino rabbits weighing 400-600 g were injected daily with 5, 10, 20, and 50 mg NaF/kg bw for fifteen weeks and then sacrificed. Histopathological examination of the duodenum revealed erosion and necrosis of surface mucosa, hemorrhages, necrosis of Brunner’s gland, clumped submucosa, and hypertrophy of muscles in muscularis mucosae in increasing severity according to the dose of NaF. Most noteworthy was the loss of mucosal layer in direct proportional to the amount of fluoride administered.

• Related Studies :

  • Toxicology and Carcinogenesis Studies of Sodium Fluoride in F344/N Rats and B6C3F1 Mice (Drinking Water Studies)

    CASRN: 7681-49-4 Chemical Formula: NaF Molecular Weight: 41.99 Report Date: December 1990 Sodium fluoride is a white, crystalline, water-soluble powder used in municipal water fluoridation systems, in various dental products, and in a variety of industrial applications. Toxicology and carcinogenesis studies were conducted with F344/N rats and B6C3F1 mice of each sex by incorporating

  • Acute symptoms after a community hydrogen fluoride spill

    OBJECTIVES: This study was conducted to describe the demographic characteristics, and clinical signs and symptoms of patients who visited a general hospital because of the release of chemically hazardous hydrogen fluoride that occurred on September 27, 2012 in Gumi City, Korea. METHODS: The medical records at 1 general hospital 9 km

  • Fluoride induced leaky gut and bloom of Erysipelatoclostridium ramosum mediate the exacerbation of obesity in high-fat-diet fed mice.

    Introduction Fluoride is widely presented in drinking water and foods. A strong relation between fluoride exposure and obesity has been reported. However, the potential mechanisms on fluoride-induced obesity remain unexplored. Objectives and methods The effects of fluoride on the obesity were investigated using mice model. Furthermore, the role of gut homeostasis in exacerbation

  • Prenatal and postnatal ingestion of fluoride salts: a progress report.

    *This study was made possible, in part by research grant D 70 from the United States Public Health Service, U, S. Department of Health, Education and Welfare, and in part by a grant from the New Jersey Dental Research Association, Inc. Enziflur@ tablets were supplied for this study by Ayerst Laboratories, 22 East

  • Massive fluorosis of bones and ligaments

    Summary The authors record the results of their clinical examination of 78 workers engaged in the crushing and refining of cryolite. Beside silicosis -- to as much as the second degree -- which was present in 39, the following three diseases were found to be common in these workers: 1) a curious

• Related FAN Content :

  • Fluoride-Induced Gastric Symptoms in Human Clinical Trials

    In studies where fluoride has been used (at doses of 18-34 mg/day) as an experimental drug for the treatment of osteoporosis, gastrointestinal disturbances are one of the two main side effects consistently encountered. The following are some of the accounts from the published literature: "The use of fluoride in the prophylaxis or

  • Gastrointestinal Problems Among Individuals with Skeletal Fluorosis

    Humans suffering from skeletal fluorosis are known to suffer from an increased occurrence of gastrointestinal disorders. When fluoride intake is reduced, these gastrointestinal problems are among the first symptoms to disappear. The following are some of the studies that have examined this issue: "It is clear from the observations presented in this article

  • Fluoride-Induced Damage to Gastric Mucosa in Human Clinical Trials

    When fluoride has been used (at doses of 18-34 mg/day) as an experimental treatment for osteoporosis, gastric pain is one of the two main side effects consistently encountered. To better understand how fluoride causes this effect, researchers have sought to determine how fluoride affects the tissue that lines the gastrointestinal tract. In a

  • Side Effects from Fluoride Gels: Gastric Distress

    Gastric distress -- including nausea, pain, and vomiting -- is one the most common side effects from professional application of "fluoride gels" at the dentist. Patients receiving fluoride gels can swallow more than 20 mg of fluoride from a single treatment -- doses that far exceed the doses that can

  • Fluoride & Gastrointestinal System: The Importance of Fluoride Concentration in Stomach

    The following is an excerpt from the National Research Council's (2006) review of fluoride toxicity: "It is important to realize that GI effects depend more on the net concentration of the aqueous solution of fluoride in the stomach than on the total fluoride dose in the fluid or solid ingested. The