All

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 D01 Inorganic Chemicals D007287 +
  D01.303 Fluorine Compounds D017611 +
   D01.303.350 Hydrofluoric Acid D006858 +
    D01.303.350.300 Fluorides D005459 +
     D01.303.350.300.512 Fluorides, Topical D005460 
 D25 Biomedical and Dental Materials D001697 +
  D25.223 Cariostatic Agents D002327 +
   D25.223.432 Fluorides, Topical D005460