title: Pyrophosphate and hexametaphosphate effects in in vitro calculus formation.
mesh_terms: D002118:Calcium / Q000032:analysis; D002130:Calcium Phosphates / Q000037:antagonists & inhibitors; D003728:Dental Calculus / Q000517:prevention & control*; D011756:Diphosphates / Q000494:pharmacology*; D066298:In Vitro Techniques; D010710:Phosphates / Q000494:pharmacology*; D010758:Phosphorus / Q000032:analysis
chemical_list: D002130:Calcium Phosphates; D011756:Diphosphates; D010710:Phosphates; D010758:Phosphorus; D002118:Calcium