Restricted accessResearch articleFirst published online 1975-07
Residual Fluoride Concentrations and Scanning Electron Microscopic Examination of Root Surfaces of Human Teeth After Topical Application of Fluoride In Vivo
Fluoride concentrations in root surfaces of human teeth after a single topical application with a 2% acidulated sodium fluoride solution in vivo were investigated. Increased residual fluaride concentrations in the root surfaces and precipitations on the peritubular dentin, as revealed by SEM micrographs, may be factors in reducing hypersensitivity.
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