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. 2022 Apr 6;47(2):e21. doi: 10.5395/rde.2022.47.e21

Figure 1. Representative images of dentin surface. (A) G1; (B) G2; (C) G3; (D) G4. Arrows indicate open dentinal tubules. Magnification: 500×.

Figure 1

G1, ethanol and immediate acid etching; G2, xylol and immediate acid etching; G3, ethanol and etching 7 days later; G4, xylol and etching 7 days later.