A systematic review and meta-analysis of the association between fluoride exposure and neurological disorders

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Autor(es): dc.contributorUniversidade Federal do Pará (UFPA)-
Autor(es): dc.contributorUniversity of Alberta-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorMiranda, Giza Hellen Nonato-
Autor(es): dc.creatorAlvarenga, Maria Olímpia Paz-
Autor(es): dc.creatorFerreira, Maria Karolina Martins-
Autor(es): dc.creatorPuty, Bruna-
Autor(es): dc.creatorBittencourt, Leonardo Oliveira-
Autor(es): dc.creatorFagundes, Nathalia Carolina Fernandes-
Autor(es): dc.creatorPessan, Juliano Pelim-
Autor(es): dc.creatorBuzalaf, Marília Afonso Rabelo-
Autor(es): dc.creatorLima, Rafael Rodrigues-
Data de aceite: dc.date.accessioned2025-08-21T19:56:49Z-
Data de disponibilização: dc.date.available2025-08-21T19:56:49Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2021-11-30-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1038/s41598-021-99688-w-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/231557-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/231557-
Descrição: dc.descriptionDifferent studies have suggested that fluoride is related to neurological disorders in children and adolescents, but clinical evidences of which neurological parameters associated to fluoride exposure are, in fact, still controversial. In this way, this systematic review and meta-analysis aimed to show if there is an association between fluoride exposure from different sources, doses and neurological disorders. Terms related to “Humans”; “Central nervous system”; “Fluorides”; and “Neurologic manifestations” were searched in a systematic way on PubMed, Scopus, Web of Science, Lilacs, Cochrane and Google Scholar. All studies performed on humans exposed to fluoride were included on the final assessment. A meta-analysis was then performed and the quality level of evidence was performed using the GRADE approach. Our search retrieved 4,024 studies, among which 27 fulfilled the eligibility criteria. The main source of fluoride was naturally fluoridated water. Twenty-six studies showed alterations related to Intelligence Quotient (IQ) while only one has evaluated headache, insomnia, lethargy, polydipsia and polyuria. Ten studies were included on the meta-analysis, which showed IQ impairment only for individuals under high fluoride exposure considering the World Health Organization criteria, without evidences of association between low levels and any neurological disorder. However, the high heterogeneity observed compromise the final conclusions obtained by the quantitative analyses regarding such high levels. Furthermore, this association was classified as very low-level evidence. At this time, the current evidence does not allow us to state that fluoride is associated with neurological damage, indicating the need for new epidemiological studies that could provide further evidences regarding this possible association.-
Descrição: dc.descriptionLaboratory of Functional and Structural Biology Institute of Biological Sciences Federal University of Pará (UFPA), Rua Augusto Corrêa nº 1-
Descrição: dc.descriptionSchool of Dentistry Faculty of Medicine and Dentistry University of Alberta-
Descrição: dc.descriptionDepartment of Preventive and Restorative Dentistry School of Dentistry São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Biological Sciences Bauru Dental School University of São Paulo (USP)-
Descrição: dc.descriptionDepartment of Preventive and Restorative Dentistry School of Dentistry São Paulo State University (UNESP)-
Idioma: dc.languageen-
Relação: dc.relationScientific Reports-
???dc.source???: dc.sourceScopus-
Título: dc.titleA systematic review and meta-analysis of the association between fluoride exposure and neurological disorders-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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