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By looking at individual atoms in tooth enamel, UW and PNNL researchers are learning what happens to our teeth as we age

Researchers at UW and PNNL studied atomic composition of enamel samples from two human teeth, one 22-year-old and one 56-year-old, to understand how enamel changes with age. The study found higher levels of fluoride in the older tooth's shell regions, which could have implications for understanding tooth health as we age.

SourceUniversity of Washington·JournalCommunications Materials·DateDec 19, 2024

Journal of Dental Research publishes study exploring the impact of early childhood exposure to fluoride on cognitive neurodevelopment

A recent study published in Journal of Dental Research examined the relationship between early childhood fluoride exposure and cognitive development. The research found that there were no significant effects of fluoride exposure on cognitive neurodevelopment, with the hypothesis of non-inferiority tests also supporting this conclusion.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateDec 18, 2024
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Water fluoridation less effective now than in past

A recent Cochrane review has found that the dental health benefits of adding fluoride to drinking water may be smaller now than before fluoride toothpaste was widely available. The review analyzed data from over 2,900 children in the UK and Australia, estimating a slight reduction in tooth decay, but with significant uncertainty.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateOct 3, 2024

Facts alone fall short in correcting science misinformation

Researchers found that a refutational approach can help overcome misinformation, leading to fewer misconceptions and improved emotional responses. The study tested students' knowledge of fluoridation and found that those who read an article with a refutation had more positive emotions toward the subject.

SourceWashington State University·JournalJournal of Research in Science Teaching·DateAug 21, 2024

Study explores association between fluoride exposure in pregnancy and neurobehavioral issues in young children

A new study led by University of Florida researcher Ashley Malin found a possible link between fluoride exposure during pregnancy and increased odds of neurobehavioral problems in children at age 3. The findings, based on an analysis of 229 mother-child pairs, suggest that higher fluoride levels may negatively affect fetal brain develo...

SourceUniversity of Florida·JournalJAMA Network Open·TypeObservational study·DateMay 20, 2024

New methods for improving water management to develop sustainable cities

Researchers from Xi'an Jiaotong-Liverpool University developed a system to assess water quality challenges in Suzhou, China. The study found that the city's water capacity has increased since 2001 due to effective water management measures.

SourceXi'an Jiaotong-Liverpool University·JournalWater Resources Management·TypeCase study·DateDec 1, 2023
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Excess fluoride linked to cognitive impairment in children

A study of 74 children in rural Ethiopian villages found that higher exposure to fluoride was linked to more errors on drawing and memory tests. The results suggest a potential association between high fluoride levels and cognitive impairment, particularly during early brain development and childhood.

SourceTulane University·JournalNeurotoxicology and Teratology·DateOct 26, 2023

Water flouridation: Effective prevention for tooth decay and a win for the environment - Trinity research

A new study by Trinity College Dublin researchers shows that water fluoridation has the lowest environmental impact among community-level caries prevention programmes, offering a sustainable solution to prevent dental decay. The study also highlights its cost-effectiveness and ability to reduce disability-adjusted life years.

SourceTrinity College Dublin·JournalBDJ·TypeData/statistical analysis·DateAug 29, 2022

New filtering method promises safer drinking water, improved industrial production

A new filtering technology inspired by biology can separate fluoride from chloride ions with twice the selectivity, potentially preventing waterborne diseases like fluorosis. The technology also has potential applications in industrial processes such as chemical production and mining.

SourceTufts University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 6, 2021

Journal of Dental Research study: Fluoridation is not associated with increase in osteosarcoma

A study published in the Journal of Dental Research found no association between community water fluoridation and an increased risk of osteosarcoma. The research, which analyzed data from over 500 patients, suggests that living in a fluoridated area is not a risk factor for osteosarcoma.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateMay 12, 2020
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Water fluoridation confirmed to prevent dental decay in US children and adolescents

A recent study confirms the effectiveness of water fluoridation in preventing dental caries among US children and adolescents. The analysis found that counties with over 75% access to fluoridated drinking water experienced a 30-40% reduction in dental caries, particularly in primary teeth.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateJun 14, 2018

Fluoride consumption linked to diabetes using mathematical models

A recent study published in Journal of Water and Health suggests that supplemental water fluoridation may be a contributing factor to rising type 2 diabetes rates in the United States. The study used mathematical models to analyze publicly available data on fluoride water levels and diabetes incidence rates across 22 states.

SourceCase Western Reserve University·JournalJournal of Water and Health·DateAug 17, 2016
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Water fluoridation in New South Wales

Researchers found that community awareness of poor oral health, framing fluoridation as a public health issue, and unified support from health professionals significantly influenced councillor decisions. The study's preliminary findings suggest that these strategies can be effective in promoting water fluoridation in other rural areas.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateJun 29, 2006

Water fluoridation still a cost-effective preventive measure

The study found that water fluoridation continues to be a cost-effective preventive measure, with annual per person savings ranging from AUS$56 in the 1970s to AUS$18 in the 1990s. However, the cost-saving benefits may decline with age due to plateaued new tooth decay and higher periodontal treatment needs.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateJun 29, 2006

Fluoride Toothpaste Linked To Teeth Discoloration In Children

A study of 1,189 Indian seventh-grade children found that nearly 13% had fluorosis, a primarily aesthetic condition affecting adult teeth during development. Children who started using fluoride toothpaste under age 2 showed more severe cases of fluorosis.

SourceOhio State University·JournalCommunity Dentistry And Oral Epidemiology·DateNov 30, 1998
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