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. 2021 Aug 24;15(4):733–740. doi: 10.1055/s-0041-1729676

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European Journal of Dentistry. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 4 — Biorepair (positive control) group: (I) Representative B-scans for 2 weeks (a, b) and 1 month (c, d). A marked increase in surface reflectivity of dentin (solid white triangles) along Z -axis was observed in comparison to the same area indicated by hollow triangles. (II) Representative OCT scans and their signals analyses after 2 weeks (a, ậ) and 1 month (b, ḇ’); the vertical broken lines represent A-scan. After 2 weeks, a light bright band of pixels was seen along the surface in comparison to the intense backscattered reflection after 1 month. The presented surface plots (ậ, ḇ’), corresponding to the OCT scans in (a) and (b), respectively, showed an increase in surface density as indicated by the difference in grayscale peaks. The signal reflectivity at the outer dentin surface after 1 month was greater than 2 weeks (c). (III) Representative plot of signals for different groups after 2 weeks (a) and 1 month (b) acquired by A-scan measurement of MPV. D, dentin; MPV, maximum pixel value; OCT, optical coherence tomography.