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Figure 2. FTIR imaging analysis of 400 x 400 µm consecutive fields from cervical, mid-crown, and incisal parts of the fetal calf incisor shown in Fig. 1a. Composites of (a) actual field optical micrographs, (b) mineral:matrix ratio FTIR images, and (c) crystallinity FTIR images. Distribution of mineral:matrix and crystallinity values along a predentin-to-enamel line for the field marked with an asterisk is shown in Fig. 4a. P = Pulp, D = Dentin, E = Enamel. Bar represents 0.5 mm.
