[Relation between the deposition of dental calculus and the contents of calcium and magnesium ions in human saliva].
D002118:Calcium / Q000032:analysis; D003728:Dental Calculus / Q000209:etiology; D003813:Dentistry; D008274:Magnesium / Q000032:analysis; D012463:Saliva / Q000032:analysis
D008274:Magnesium; D002118:Calcium