[ABCNews, August 2, 2016—Feds: No evidence flossing fights gum disease]
“….there’s little proof that flossing works.”
“….Associated Press asked the departments of Health and Human Services and Agriculture for their evidence, and followed up with written requests under the Freedom of Information Act. When the federal government issued its latest dietary guidelines this year, the flossing recommendation had been removed, without notice. In a letter to the AP, the government acknowledged the effectiveness of flossing had never been researched, as required.”
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“One study review in 2011 did credit floss with a slight reduction in gum inflammation – which can sometimes develop over time into full-fledged gum disease. However, the reviewers ranked the evidence as “very unreliable.”
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“The two leading professional groups – the American Dental Association and the American Academy of Periodontology, for specialists in gum disease and implants – cited other studies as proof of their claims that flossing prevents buildup of gunk known as plaque, early gum inflammation called gingivitis, and tooth decay. However, most of these studies used outdated methods or tested few people. Some lasted only two weeks, far too brief for a cavity or dental disease to develop. One tested 25 people after only a single use of floss.”
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“Even companies with a big market share of the flossing business – by next year, the global market is predicted to reach almost $2 billion, with half in the United States, according to publisher MarketSizeInfo.com – struggled to provide convincing evidence of their claims that floss reduces plaque or gingivitis. Yet the industry has paid for most studies and sometimes designed and conducted the research.”