Shapiro, W B The effect of a strontiumhloridetoothpaste on root hypersensitivity in a controlled clinical study. [electronic resource] - Journal of periodontology Dec 1970 - 702-3 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 0022-3492 Standard No.: 10.1902/jop.1970.41.12.702 doi Subjects--Topical Terms: Chlorides--administration & dosageClinical Trials as TopicDentifrices--standardsDentin Sensitivity--drug therapyHumansStrontium--administration & dosageTooth Root