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Comparative efficacy of a hydroxyapatite and a fluoride toothpaste for prevention and remineralization of dental caries in children.
Abstract Objective: This in situ study compared the effectiveness of two toothpastes containing hydroxyapatite or 500 ppm fluoride in promoting remineralization and inhibiting caries development. Materials and methods: Two enamel blocks (human primary teeth), one sound and one with artificially-produced caries lesion, were exposed to toothpaste containing either 10% hydroxyapatite or 500 ppm F– (amine […]
International Toothpaste -
What, no fluoride? Other ways to improve oral health
Your patients may prefer to avoid fluoride for diverse reasons. The good news is that there are many innovative fluoride-free dental products that can help these patients maintain oral health. Fluoride is a mineral naturally found in soil, water, and foods, and not quite the poison some would argue. It has a negative connotation when […]
International Toothpaste -
Toothpaste recommendations for the very young
Note from the Fluoride Action Network: We added this to the NewsTracker for historical purposes only. (EC) Excerpt Experts recommend that even children who are too young to spit the toothpaste out themselves should use fluoridated toothpaste. The American Academy of Pediatric Dentistry (AAPD) recommend that parents or caregivers use a minuscule amount of fluoridated […]
International Toothpaste -
Microsoft patents high pressure data center
Hermetically sealed data centers for efficient heat transfer Microsoft has been awarded a high pressure data center patent that would allow for far more efficient heat transfer than traditional approaches. “Some data centers employ heat sinks and electric fans (which can consume a substantial amount of energy),” the filing (Patent US10426062) states. “In cases of […]
International Greenhouse/Ozone Gases -
Grid switchgear uses SF6, the world’s most potent greenhouse gas. How do we regulate it?
Sulphur Hexafluoride (SF6) is described as the world’s worst greenhouse gas. It’s 23,500 times more potent than CO2. Global annual emissions are 8,100 tonnes, equivalent to the CO2 emissions of 100m cars. It has an atmospheric lifetime of over 1,000 years and its installed base is expected to grow by 75% by 2030. 80% of […]
International Greenhouse/Ozone Gases -
WHO: Fluorosis
The disease and how it affects people Ingestion of excess fluoride, most commonly in drinking-water, can cause fluorosis which affects the teeth and bones. Moderate amounts lead to dental effects, but long-term ingestion of large amounts can lead to potentially severe skeletal problems. Paradoxically, low levels of fluoride intake help to prevent dental caries. The […]
International -
One-step synthesis of zirconium dioxide-biochar derived from Camellia oleifera seed shell with enhanced removal capacity for fluoride from water.
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights Camellia seed shell waste was calcined […]
International Water Treatment -
Effective fluoride adsorption using water hyacinth beads doped with hydrous oxides of aluminium and iron.
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights Hydrous oxides of aluminium, iron and […]
International Water Treatment -
Fluoride reactivation-enabled sensitive quantification of tabun adducts on human serum albumin by GC-MS/MS via isotope dilution.
Organophosphorus nerve agents inhibit the cholinesterase activity by phosphylation of the active site serine. The resulting phosphylated cholinesterase and adducts on human serum albumin (HSA) are appropriate biomarkers for nerve agents exposure. Several methods have been developed for the detection of nerve agents, including fluoride reactivation or alkaline cleavage. It was previously thought that some […]
International Chemical Weapons -
Bubbles and Dust: Experimental Results of Dissolution Rates of Metal Salts and Glasses From Volcanic Ash Deposits in Terms of Surface Area, Chemistry, and Human Health Impacts.
Abstract Explosive volcanic eruptions lead to ash deposition and subsequent leaching of contaminants into soils or surface water, impacting flora and fauna, including human health. This study determined the control of ash surface area and chemical composition on ash dissolution rates. Fresh, unhydrated ash samples from four contrasting volcanoes were analyzed in the laboratory. Column […]
International Volcanoes