| http://www.w3.org/ns/prov#value | - When we refer to the fluoride in our drinking water, toothpaste, or food additives in this article, we are mostly referring to sodium fluoride, although we will see later on that for large-scale water distribution, other forms of fluororide are sometimes used.Fluorine is a naturally occurring gas that is quite irritating to the eyes, skin, and respiratory system.
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