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. 2022 Jul 20;15(14):5043. doi: 10.3390/ma15145043

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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SEM-EDX analysis of the interface of filler/root canal system after soaking in saliva for 120 h. (A) SEM mages of the cross-sectional microstructures; (B) low-magnification SEM images of fracture surface area between the root canal and cement; (C) face-scanning EDX mapping; (D) line-scanning EDS profiles along the interfaces zone as shown in (B). Dotted-line in (A) shows the interface between the apex root of a tooth filled with the C2Si/ATT2 cements. ** dentine; dotted line representing the interface between dentine and paste cement.