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The remineralization effect of GCE on erosive lesion observed by LSCM. (a) Erosive lesion. (b) Erosive lesion after GCE treatment. The areas indicated by the arrows are the fluorescence dyeing zones. The width and density of the fluorescence dyeing zone are related to mineral density. LSCM, laser scanning confocal microscope; GCE, Galla chinensis extract.
