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. 2022 Oct 11;17(3):663–672. doi: 10.1055/s-0042-1750769

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. ( https://creativecommons.org/licenses/by/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3 — Representative SEM microimages for the tested groups under ×2,000 and ×5,000 magnifications. 1: BF, 2: GU, 3: SF, 4: CS, a: polished samples, b: surface subjected to thermocycling only (TC); c and d: surfaces subjected to thermomechanical cyclic loading (TMC). Thermocycled samples (1–4b) showed generalized increase in surface roughness in comparison to polished groups (1–4a). Thermocycling altered the surface topography of BF significantly (1b) and exposed large and irregular fillers of SF (3b) compared with small and uniform fillers of GU (2b) and CS (4b). TMC left marked deep striation on wear facets' surfaces of BF (1c) and SF (3c). Shallower striations found in GU (2C, 2d) and CS (4c, 4d) groups. White arrows point to empty spaces representing eluted fillers. BF, Beautifil Injectable X; CS, Cerasmart; GU, G-ænial Universal injectable; SEM, scanning electron microscope; SF, SonicFill 2.