Figure 3.

Selection of fields and line scans for the elemental analysis in bovine incisors shown in a photo-microscopic overview. The black rectangles indicate the areas of the 366 µm × 291 µm field scans, while the white lines indicate the approximately 360 µm paths of the line scans. The upper right picture shows the first measurement area (incisal crown), while the lower right picture shows the second measurement area (cervical crown), which was located halfway between the cemento-enamel junction and the first measurement area.