Fig. 6

SEM images of zirconia hybrid abutment (A1, B1, C1: no magnification, A2, B2, C2: ×64 magnification, A3, B3, C3: ×500 magnification, A4, B4, C4 : ×1000 magnification, A5, B5, C5: ×10,000 magnification) (PC: Positive control, CHX: Chlorhexidine, EOH: Ethanol).