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. 2020 Oct 26;12(5):322–328. doi: 10.4047/jap.2020.12.5.322

Fig. 4. Scanning electron micrographs of specimens. (A) Control group (magnification × 500), (B) Control group (magnification × 1000), (C) Air abrasion group (magnification × 500), (D) Air abrasion group (magnification × 1000), (E) Monomer group (magnification × 500), (F) Monomer group (magnification × 1000), (G) Air abrasion + Monomer group (magnification × 500), (H) Air abrasion + Monomer group (magnification × 1000).

Fig. 4