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. 2021 Jan 27;25(8):4927–4940. doi: 10.1007/s00784-021-03801-2

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — The largest shrinkage vectors pointing upward away from the cavity floor. The bulk application of Tetric EvoCeram Bulk Fill (TBF) in gp1-TBF resulted in very large shrinkage vectors pointing upward and sideward away from the cavity floor (a, b), which can also be visualized from the top view of the restoration (c). The shrinkage vectors are magnified by a factor of 10 for better visualization. The SEM images (at × 200 magnification) display a perfect margin on one side (d) but a large gap (approximately 50 μm) at the cavity floor (e, f)