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Thread: Efficiency fluoride in toothpaste versus drinking water

  1. #1 Efficiency fluoride in toothpaste versus drinking water 
    New Member
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    Hi, in my university chemistry course we talked about fluoride in toothpaste, what chemical reaction occurs when using it and why it is necessary (I'm talking about the metathesis of Ca5(PO4)3OH to Ca5(PO4)3F). One of the possible exam questions is if fluoride in drinking water or in toothpaste is more efficient. I know not everyone is pro fluoride in drinking water, but when you look at it purely chemical, what is more efficient? Google hasn't been able to help me


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  3. #2  
    Forum Ph.D.
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    I believe distribution is the issue. It is much easier to put flouride in toothpaste, rather than in every water supply system.


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