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Fig. 3. Scanning electron microscopy (SEM) images and surface profilometry results for alumina (Al2O3)-coated (A, B), titanium nitride (TiN)-coated (C, D), and chromium nitride (CrN)-coated (E, F) bracket slots. The pits and irregularities on the bracket edges were filled with coating materials as shown in the SEM images (A, C, E) and profilometer images (B, D, F) of coated btacket slots with Al2O3 (A, B), TiN (C, D), and CrN (E, F).
Korean J Orthod 2021;51:270~281 https://doi.org/10.4041/kjod.2021.51.4.270
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