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Prevention of dental caries? Is there a way I can ask them to prove this?
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They can't prove it because fluoride is a con and actually
increases dental carries. But talking to those people won't get you anywhere, you need to start educating the people in your area and bring it up with the city/town council. More and more areas are starting to ban fluoride because the truth is coming out, but we still have many more areas to go.
Now, the fluoride proponents will probably try to shut you down by quoting from numerous studies like the Grand Rapids study or others since then, but these studies are all flawed and you can prove it. The original fluoridation studies used multiple methods to alter the data, like changing the definition of cavities after fluoridation started to make it look like there was less tooth decay going on. Also, fluoride inhibits the eruption of the teeth - if you don't have as many teeth, you won't have as many cavities. PROOF:
“Fluoridation of drinking water in the Boston areas was 1.0 ppm, a level
considered 'optimal' in the USA. Girls from the fluoridated Boston area were shown in this study to have a significantly (p<0.05) delayed dental age when compared to their chronological age” [Campagna L, et al. (1995). Fluoridated drinking water and maturation of permanent teeth at age 12. Journal of Clinical Pediatric Dentistry 19(3):225-8.]
“The emergence of the teeth…was later in the children living in an endemic fluoride area” [Virtanen JI, et al. (1994). Timing of eruption of permanent teeth: standard Finnish patient documents. Community Dentistry and Oral Epidemiology 22(5 Pt 1):286-8.]
“The small benefit that remains today from water fluoridation can…be explained by fluoride ingestion retarding tooth eruption, resulting in a delay in dental caries.” [Limeback, H. (2002). Systemic Fluoride: Delayed Tooth Eruption and DMFT vs Age Profiles. abstract presented at IADR/AADR/CADR 80th General Session. San Diego, California. March 6-9.]
Until 2009, Queensland's water was never fluoridated, but the vast majority of the water in the rest of Australia was. Take a look at the difference in tooth eruption rates:
Now, if you take all of the studies that purport to show that fluoride reduces tooth decay, you'll notice that none of them actually take into consideration the effect fluoride has on the rate of tooth development. The left-hand graph shows the difference in tooth decay of children with life-long fluoride exposure and those who never drank fluoridated water. The children who drank fluoridated water had less tooth decay. BUT, it's now been proven that fluoride can delay the rate of tooth eruption by about .8 to up to 2 years - if you adjust for a delayed eruption of the teeth by one year, there's no difference between the fluoridated or unfluoridated areas! See the tricks they play?
Another common ploy is this kind of study: "50 years ago there was X amount of tooth decay. We started fluoridating water, and now there's much less tooth decay. Therefor, water fluoridation decreases tooth decay." See the CDC's graph below:
There's just one problem - it's just a correlation, not proof of anything. I could make up a completely factual graph that shows that 50 years ago, people drove less cars and there was a lot more tooth decay. But no many more people are driving cars and there's a lot less tooth decay. Therefor, driving a car reduces tooth decay. It's absurd, but it's that's the exact same thing the CDC, ADA, etc are doing. As it turns out, tooth decay rates have been plummeting across the globe even in areas that were never fluoridated, because of improved hygiene and other reasons. See the graphs below:
The WHO's own data shows that whether a country fluoridates it's water or not, they all have seen extreme and roughly equal decreases in tooth decay. Something isn't right here; see below:
The above graph shows the changes in tooth decay in various EU countries since the 80’s to almost present day.
Cyprus: DOES NOT fluoridate water, still significant improvement in decay rates.
Denmark: DOES NOT fluoridate water, LARGEST improvement out of them all.
Germany: DOES NOT fluoridate water.
UK: Roughly 10% fluoridated.
Austria: DOES NOT fluoridate water.
Italy: DOES NOT fluoridate water.
France: DOES NOT fluoridate water.
Spain: About 10% fluoridated.
Ireland: 71% fluoridated.
Do you notice how Ireland, the only country to fluoridate a large percentage of it’s water, not only had the lowest decrease in dental decay rates but also has the highest rate of dental decay of all the countries on the graph? The UNFLUORIDATED countries have
lower rates of dental decay then the fluoridated ones. See, their deception only works if people blindly listen to the authorities, which most do. But if you start to look into the facts for yourself, it's game over.
So at this point they'll scramble to save face and say, "well, those reductions are because of the widespread use of fluoride toothpaste and fluoride dental treatments." If you don't know your stuff they might be able to trick you, but if you're well educated you can call them out. The former Principle Dental officer for Auckland, New Zealand, (John Colquhoun), started to realize that there really wasn't a difference in fluoridated vs unfluoridated areas. Everyone said that it was because of the widespread use of fluoridated toothpaste, rinses, varnishes, etc, and he bought that for a little while. But then he decided to do his own research and discovered that the rates of tooth decay actually started decreasing before not only water fluoridation, but also before fluoridated toothpaste and mouthwashes. Strike 3!
John Colquhoun's data
Dr. Hardy Limeback, also with a very impressive pedigree, discovered the same thing. His graph shows many of the possible causes for this decline in dental caries:
Note: refrigerators means more access to fresh produce and other fresh food, penicillin decreases tooth decay, the others are self-explanatory.
There's so much more to talk about on this topic, I haven't even gotten to arthritis, cancer, bone fractures, dental and skeletal fluorosis, hypothyroidism, lead poisoning, endocrine and reproductive issues, brain damage, or any of the other dozens of adverse effects of fluoride. I'll get back to you later on all that. Just quickly I'll quote some studies showing that fluoridation actually increases tooth decay (because it increases the brittleness and porosity of the enamel):
“A significant (p < 0.02) positive association was found between the caries experience (DMFS) and the enamel fluoride level of children from the high fluoride area (3.70).” [Grobler SR, van Wyk CW, Kotze D. (1986). Relationship between enamel fluoride levels, degree of fluorosis and caries experience in communities with a nearly optimal and a high fluoride level in the drinking water. Caries Research20:284-8.] - ie, the higher the level of fluoride in the enamel, the
higher the rate of tooth decay! I like this one because the commonly believed lie is that fluoride gets incorporated into tooth enamel and so protects it from acid. This study blows that assumption away.
“In this study, DT (Decayed Permanent Teeth) increased with an increase in the fluoride content.” [Budipramana ES, et al. (2002). Dental fluorosis and caries prevalence in the fluorosis endemic area of Asembagus, Indonesia. International Journal of Paediatric Dentistry 12:415-22]
“Subjects in the high-F and urban Arusha municipality were at a significantly higher risk of dental caries than children in the low-F areas.” Awadia AK, et al. (2002). [Caries experience and caries predictors – a study of Tanzanian children consuming drinking water with different fluoride concentrations. Clinical Oral Investigations 6 :98-103.]
And I've got dozens more where those came from. Later I'll also debunk the lie that fluoride works topically, which even the ADA and CDC have admitted but may dentists still believe. And I'll bring up the pits-and-fissures point.
Fluoride Lowers IQ and...
Total population served by water system: 23696
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