UB studies link low dietary calcium, vitamin C with increased risk of periodontal disease.
D000328:Adult; D001206:Ascorbic Acid Deficiency / Q000150:complications*; D002118:Calcium / Q000172:deficiency*; D002136:Calcium, Dietary; D003677:Deficiency Diseases / Q000150:complications*; D006801:Humans; D010510:Periodontal Diseases / Q000209:etiology*
D002136:Calcium, Dietary; D002118:Calcium