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Irrigation is one of the most important steps in root canal therapy. Sodium hypochlorite is inserted into the root canal to eliminate bacteria and dissolve necrotic tissue. Dentinal tubules are micrometer sized channels along the dentin thickness. An irrigant should have the ability to penetrate into these tubules to remove bacteria residing in them. The difference between the concentrations of the...
An axisymmetric model was presented which was capable of predicting the diffusion of nano-particles with accuracy comparable to that of a 3-D model. Both analytical and numerical approaches were presented. An Eulerian approach was first presented where the concentration distribution equation was solved analytically. It was shown that the mean-square radial displacements of the nano-and micro-particles...
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