Dentin permeability: changes produced by iontophoresis.

Iontophoretic currents (0--1.0 mA) were applied to dentin disks prepared from human third molars. A negative electrode increased 125I-permeation 10X, while a positive electrode increased 14C-lidocaine 8X. Iontophoresis appears promising as a method to increase the permeation of dentin by ionized substances of therapeutic interest.

Keywords

Dentin Permeability, Diffusion, Iodine Radioisotopes, Tooth Permeability, Dentin, Humans, Lidocaine, Carbon Radioisotopes, Iontophoresis

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