title: Plaque prevention: suspension theory and ascorbic acid and urea.
mesh_terms: D000818:Animals; D001205:Ascorbic Acid / Q000627:therapeutic use*; D003773:Dental Plaque / Q000032:analysis / Q000517:prevention & control*; D006736:Horses; D013535:Suspensions; D014508:Urea / Q000627:therapeutic use*
chemical_list: D013535:Suspensions; D014508:Urea; D001205:Ascorbic Acid