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Is Nano-Hydroxyapatite Toothpaste an Effective Fluoride Alternative? Dentists Weigh In

cnet.com See Full Bio 2025-07-28 05:06:03

Picking the best toothpaste can be a challenge, especially with newer ingredients being added to the market. Nano-hydroxyapatite is a timely example and the star ingredient for popular brands like Boka and Davids. Amidst health concerns around fluoride and Robert F. Kennedy Jr., US Secretary of Health and Human Services, proposing to remove it from public water, nano-hydroxyapatite has been promoted as an effective alternative to fluoride in toothpaste. Many claim that it can repair enamel, prev

Topics: fluoride hydroxyapatite nano teeth toothpaste
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New Process Uses Microbes to Create Valuable Materials from Urine

news.ycombinator.com Unknown 2025-08-22 14:43:41

Researchers from the Lawrence Berkeley National Laboratory (Berkeley Lab), UC Irvine, and the University of Illinois Urbana-Champaign (UIUC), have used biology to convert human urine into a valuable product. The team genetically modified yeast to take the elements present in urine and create hydroxyapatite – a calcium and phosphorus-based mineral naturally produced by humans and other animals to build bones and teeth. Commercially manufactured hydroxyapatite is used in surgery and dentistry to

Topics: hydroxyapatite make urine used yeast
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