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. 2022 Apr 22;12:6635. doi: 10.1038/s41598-022-10654-6

Figure 4.

Figure 4

Surfaces of the adhesives of the representative specimens after debonding from enamel. Precipitates (arrows) were detected in all groups except for S0A0 and Trans. An example of the EDX results from the precipitation showed that the main elements contained in the precipitate crystals are Ca and P.