title: Formation and prevention of supra-gingival calculus.
mesh_terms: D002118:Calcium / Q000378:metabolism; D003728:Dental Calculus / Q000378:metabolism* / Q000517:prevention & control; D003773:Dental Plaque / Q000209:etiology; D006801:Humans; D010710:Phosphates / Q000378:metabolism; D012463:Saliva / Q000378:metabolism
chemical_list: D010710:Phosphates; D002118:Calcium