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352 points keithly | 2 comments | | HN request time: 0.45s | source
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rdtsc ◴[] No.41842547[source]
> "Financial aspects of dental radiography also deserve further study," Feit added

No joke. That is a major money maker. There is minimal cost per-use and your insurance pays $200 for it (my last one was $186.00 for instance). The dentists would be crazy not to recommend them as of often as possible.

Fluoride "rinses" are likely up there too. Rinse for a few seconds and they charge the insurance $50 or something for it.

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tdeck ◴[] No.41842963[source]
At least fouride rinses provide some benefit. Although you can get much more benefit from buying a bottle of Act and rinsing with it every day.
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codr7[dead post] ◴[] No.41843148[source]
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LorenPechtel ◴[] No.41843727[source]
Remember the old adage--it's the dose that makes the poison. There is *nothing* that is not lethal if consumed in sufficient quantity. That includes *everything* that we require to live, although in some cases it becomes effectively impossible to ingest a lethal amount.

Thus showing that something is toxic doesn't mean it's something you should never consume. And note that fluoridation started because it was observed that the people in areas with higher natural levels benefited.

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codr7 ◴[] No.41843803[source]
Fluoridation started because they wanted to get rid of toxic byproducts from making aluminum, the rest is marketing.
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1. LorenPechtel ◴[] No.41853863[source]
What's added to tap water isn't the compound used in aluminum refining. Thus they would have to separate it out and at that point they can simply react it with aluminum and continue to use it. There's nothing to discard.
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2. codr7 ◴[] No.41907186[source]
It was a byproduct as far as I remember, finding good information is getting more difficult every year.

Why is it so difficult to believe? Haven't we seen enough examples of people in power not giving a shit?