Fluorine-removal agent yog ib qho tshuaj tseem ceeb uas siv los kho cov dej khib nyiab uas muaj fluoride. Nws txo qhov concentration ntawm fluoride ions thiab tuaj yeem tiv thaiv tib neeg kev noj qab haus huv thiab kev noj qab haus huv ntawm cov dej hauv dej. Raws li tus neeg sawv cev tshuaj rau kev kho cov dej khib nyiab fluoride, cov tshuaj fluorine tshem tawm feem ntau yog siv los tshem tawm cov fluoride ions hauv dej.