Distribution of Chemical Elements in Enamel Crystallites (IMAGE)

NIH/National Institute of Dental and Craniofacial Research

Distribution of Chemical Elements in Enamel Crystallites

Caption

In three views of the same sample of enamel crystallites, atom probe tomography reveals the distributions of three minor elements, with each colored dot representing a single atom. These maps show that magnesium is present in two distinct layers in the core, and fluorine and sodium are heavily concentrated in the areas between crystallites, known as the intergranular phase.

Credit

Karen DeRocher, Northwestern University

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