United States Patent Number 5,937,874
August 17, 1999
A dental hygiene article that includes a dental floss, a first component associated with the floss, a second component associated with the floss, and a first barrier constructed to separate the first component from the second component until flossing occurs. The first and the second components are selected to react with each other when the first and the second components are combined, e.g., in the mouth during flossing.
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