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Figure 5
Examples of µCT reconstructions compared across experimental groups. Slices from comparable regions of the left, maxillary, lingual M1 molar from each of the (a) limited/no caries, (b) onset caries and (c) progressed caries experimental groups. Arrows indicate regions of demineralization. Images have been thresholded at a gray value of 200 such that regions of air appear black [see Fig. 3(b)[link]]. Scale bars represent 500 µm. (d)–(f) Enlarged regions corresponding to the boxed regions in panels (a)–(c), respectively. The asterisks (*) indicate regions of DEJ separation. Scale bars represent 100 µm.

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