WECHU’s dental fluorosis fraud, disregard for simple math
email sent Dec. 17, 2018:
Dear Members of Windsor Council,
In light of your meeting today, I am writing to highlight WECHU’s dental fluorosis cover-up, which is blatant to anyone who knows basic facts about dental fluorosis, and to point out that it would be irresponsible of you to reinstate fluoridation in the absence of legitimate information about the rate of dental fluorosis in your community.
An illogical, unscientific and grossly misleading dental fluorosis statistic.
WECHU’s dental fluorosis statistic (pages 29, 35) is based on screenings of kindergarten students. Kindergarten students are too young to assess for dental fluorosis because the required indicator teeth have not yet erupted from their gums.
Reporting “no moderate or severe dental fluorosis” in these children is akin to reporting that 0% of children who refuse to open their mouths have gum disease since no gum disease can be seen in their mouths.
Irresponsible dismissal of mild dental fluorosis.
Dental fluorosis is a visible biomarker for fluoride toxicity that develops before tooth eruption. Health Canada’s Guidelines for Canadian Drinking Water Quality Guideline Technical Document on Fluoride, 2010 describe it as “a permanent hypomineralization of tooth enamel due to fluoride-induced disruption of tooth development… in people with high exposure… occurs only when exposure to fluorides happens during tooth formation“. https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-guideline-technical-document-fluoride/page-3-guidelines-canadian-drinking-water-quality-guideline-technical-document-fluoride.html#a101
Peel Public Health explains that “Fluorosis results in tooth discolouration which may range from patchy white staining of the tooth enamel in its mildest form to pitted brown staining in its most severe form“, page 146: https://www.peelregion.ca/health/resources/pdf/immigrant-ethno-health.pdf.
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WECHU reports on only moderate or severe dental fluorosis, thus dismissing as irrelevant the mild cases of this biomarker for fluoride toxicity.
This is a departure from the Association of Public Health Epidemiologists in Ontario’s Core Indicator for dental fluorosis, which can be viewed on APHEO’s website: http://core.apheo.ca/index.php?pid=157
WECHU’s footnote to their Supplementary Table 1, which lists “Core indicators for the oral health of children and youth as identified by the Association of Public Health Epidemiologists in Ontario” (pages 42/43) acknowledges that: “This indicator is a modified version of the APHEO core indicator, which reports on the proportion of children with fluorosis of any level of severity (score ≥ 1 on a 0-4 score Dean’s index)“].
Grade school math shows that water fluoridation delivers contraindicated doses to children every day
Every 350 ml of fluoridated drinking water containing the typical 0.7 ppm fluoride (aka 0.7 mg/L) contains 0.25 mg fluoride, the same dose that the FDA, the CDC, Health Canada and dentists all agree must be spit out by young children when brushing their teeth with the recommended pea-sized bit of fluoridated toothpaste due to an increased risk of dental fluorosis: 0.350 L x 0.70 mg / L = 0.25 mg fluoride.
Parents are warned to call poison control or seek medical attention right way if their child swallows any more than 0.25 mg fluoride one time while brushing.
The CDC’s statement regarding the fluoride content in fluoridated toothpaste and the need to spit it out indicates that the recommended pea sized bit of toothpaste is approximately 0.25 grams, and each gram contains ~1 mg fluoride, hence the pea sized bit contains ~0.25 mg fluoride:
https://www.cdc.gov/mmwr/preview/mmwrhtml/rr5014a1.htm
My entire May 3, 2018 letter re WECHU’s unscientific, misleading 2018 Oral Health Report:
https://fluoridefreepeel.ca/ffp-submission-for-windsor-fluoridation-meeting-may-7-2018/
Best wishes,
Christine Massey, M.Sc.
Fluoride Free Peel