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What about toothpaste with 1000ppm or more? still think it's good?
http://kidshealth.org/parent/general...de_water.html#Your doctor or dentist may know whether local water supplies contain optimal levels of fluoride, between 0.7 and 1.2 ppm (parts fluoride per million parts of water). If your water comes from a public system, you could also call your local water authority or public health department, or check online at the Environmental Protection Agency's (EPA) database of local water safety reports
Floride doses in the US occur at 1 ppm typically. Some places with a lot of minerals in the water have to actually remove it.
12ppm is beyond what you would encounter in a glass of water by an order of magnitude.
What about toothpaste with 1000ppm or more? still think it's good?
fluoride was the earliest chemical weapon used in human's war history imho, first used during the world war 1 imho
its CaF in most toothpastes imho, not fluoride
http://en.wikipedia.org/wiki/Water_fluoridation
These compounds were chosen for their solubility, safety, availability, and low cost.[31] A 1992 census found that, for U.S. public water supply systems reporting the type of compound used, 63% of the population received water fluoridated with fluorosilicic acid, 28% with sodium fluorosilicate, and 9% with sodium fluoride
I don't think it matters which compound it is.
you use toothpaste with less than 1000ppm?
do you eat it too?
I use fluoride free toothpaste.
Unless there is a glitch in the dispersant equipment.
Don't get me wrong, I'm not against fluoride. We should just not forget that accidents happen.
Sounds good to me.
I don't eat it by the pound.
Let's try some math, Mr. 3.8
1000 millileters of water contains how much floride at 1ppm?
1 millileter of toothpaste contains how much floride at 1000ppm?
While you are calculating that, maybe someone else will tell the class approximately how much toothpaste out of the 1 millileter that ones places on the toothbrush actually is consumed in the act of brushing ones teeth? A rough estimate will do.
No, I am not concerned.
You're not suppose to swallow it.
You don't think it's possible to accidentally consume a mere 20 ppm on average? By all means, brush your teeth with whatever you like.
Flourine gas was not available in quan y until WW2
You are thinking of chlorine gas, maybe?
I noticed you didn't answer my questions.
Nor have you glommed on to how one-dimensional the term "ppm" is.
Perhaps you should try to calculate the overall dosages, and it may become clear to you how dumb your statement here is.
YH
Do you understand what ppm is? It doesn't look like you do.
I made that point.
You are good at math. Maybe you can answer Y.H.'s questions for him?
Total amount of NaF in the following items:
1) One glass of 1000 milliters of water, concentration 1ppm
2) One drop of toothpaste, 1 milliliter in volume, concentration 1000ppm
maybe, i'm not a scientist and wouldn't really know how to convert it without researching and i'm not going to look it up just to please a guy on the internet. what i do know is that some studies have shown that fluoride causes brain damage, that much you can't really deny. i just think it's a cause for concern.
yeah someone explain it i'm interested. never claimed to be the founder of this theory, what i find interesting is that all of these foreign studies in countries that don't use fluoride find that it's harmful and are adamantly against it.
I see...
You are just adding to global warming with all that hot air you're spewing.
I just linked a study, I didn't claim that I have the expertise to back any of it up and prove it beyond all reasonable doubt. Just like none of you have the ability to do that with any of the articles you post. It's just that, a study, food for thought. There is mounting evidence that fluoride may not be so good.
cool, which one?
1 part per million.
1000 parts
move the decimal three places. .001
Lastly, "some studies" show a lot of things.
Unfortunately for you, "some studies" = 30 year old, unverified Chinese papers.
toms of maine
ppm is part per million. Therefore, you can't have an ac ulated 20 ppm. At 1 ppm, there is one micro-liter per liter. 1/1000's of a cc is pretty small. It would take 20 liters of water for an ac ulation of 20 micro-liters. If you have 1000 ppm in toothpaste, and it seems to me you might use 1 cc total in a day, then that is the same one micro-liter... if you swallow all of it.
Is it starting to make sense?
i'm a finance major not a scientist
yeah so the volume of the toothpaste is so small that it's actually not much, gotcha. but between the water supply and the toothpaste, I just really don't see the point in taking the risk. fluoride hasn't been proven to be good for the teeth at all, this is a myth. with nothing to gain and health to lose, i just abstain from it until further notice. my city has an unusually high amount of fluoride in the water, some 2.5 times what is in the surrounding cities. I guess it's at the high end of "safe levels"
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