Fluorosis News and Research

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Is fluoridated water safe during pregnancy? Studies say yes

Research analyzing 11.5 million births finds no association between community water fluoridation and reduced birth weight, ensuring prenatal safety.

23 Jan 2026

Fluoride levels in U.S. drinking water linked to better teen cognition

Fluoride exposure in childhood supports academic achievement but lacks measurable cognitive benefits in later adulthood, according to a landmark U.S. study.

25 Nov 2025

CHOP researchers unveil framework for boosting children's oral health

Researchers from Children's Hospital of Philadelphia (CHOP) demonstrated how a multifaceted intervention approach significantly improved the rate of dental varnish applications to help strengthen tooth enamel and prevent decay.

19 Sep 2025

Uneven tooth color matters more than whiteness for young adults

White teeth are highly valued by young adults. But an even tooth color is considered to be of even higher importance.

17 Sep 2025

Banning fluoride could cause widespread dental disease in children

Fluoride has been added to public water systems in the United States since 1945 to strengthen tooth enamel and fight off bacteria, ultimately reducing tooth decay.

30 May 2025

Study finds no impact of water fluoridation on cognitive development

A University of Queensland study has found no link between exposure to water fluoridation as a young child and negative cognitive development.

19 Dec 2024

As bans spread, fluoride in drinking water divides communities across the US

Regina Barrett, a 69-year-old retiree who lives in this small North Carolina city southeast of Charlotte, has not been happy with her tap water for a while.

12 Apr 2024

Study says parents may overshoot fluoride toothpaste dose for toddlers, risking dental fluorosis

Study finds parents significantly overdose children with fluoride toothpaste, suggesting a shift to fluoride-free alternatives to prevent overconsumption and potential fluorosis.

1 Feb 2024

Comparing the caries-preventing effect of a fluoride-free, hydroxyapatite toothpaste and a toothpaste with sodium fluoride

The study aimed to compare the caries-preventing effect of a fluoride-free, hydroxyapatite toothpaste and toothpaste with sodium fluoride.

25 Jul 2023

Long-term high fluoride exposure during adolescence causes hippocampal impairments

Researchers evaluated the impacts of prolonged fluoride exposure during adolescence and adulthood on cognition and associated hippocampal alterations.

13 Jul 2023

Fluoridated water: Essential ingredient in U.S. water systems for cavity prevention and dental health equity

Fluoridated water at recommended levels reduces dental cavities by 25%, emphasizing the importance of maintaining fluoride levels for effective caries prevention. Most water systems comply with safety standards, providing the full benefits of fluoridation.

4 Jun 2023

Does ingested fluoride affect the human microbiome?

Researchers discuss the effect(s) of fluoride exposure on the human microbiome.

7 Mar 2023

Study reveals how overexposure to fluoride causes defects in tooth enamel

Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel- a novel explanation for how dental fluorosis, a condition caused by overexposure to fluoride during childhood, arises.

18 Feb 2020