Fig. 3From: Shear bond strength and debonding characteristics of a new premixed self-etching with a reference total-etch adhesiveMicroscopic and SEM images revealed not any enamel cracks in both groups. a and a: total-etch system; b and b: self-etch system. a and b show a 10x magnification; a, and b show the SEM counterparts (45x) of the same sampleBack to article page