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SEM micrographs of bonding interface of the experimental adhesives when SE was applied. Magnification of 500× (E,G) and 2000× (F) were used. E and F—AE1 with 10.4 µm of HL thickness; (G)—AE2. RC—resin composite; D—dentin; HL—hybrid layer; RT—resin tags; AF—adhesive failure.
