Assertion: toothpaste's fluoride | /r/HasProperty | ethanolamin-hf
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text: The first fluoride toothpaste was made in the 1890's ("Tanagra") based upon work by chemist Albert Deninger; the first one for the mass market was a product called "Biox Fluor", the first toothpaste containing an amine fluoride (ethanolamin-HF) as the active ingredient.