Performance of Universal Adhesives in Composite Resin Repair

Figure 2

μTBS of fresh repair (a) and aged repair (b). NC: negative control; A: adhesive; SBM: Scotchbond Multi-Purpose; SBU: Single Bond Universal; ABU: All Bond Universal; TBU: Tetric N-Bond Universal; CSE: Clearfil SE Bond. Different superscript capital letters and lowercase letters were statistically significantly different among fresh and aged repairs, respectively.