Figure 3.

Schematic diagram and illustration of the percentages of the failure modes after the shear bond strength (SBS) test of yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) bonded to bovine dentin.

SR, the group with MDP-free primer pretreatment and MDP-free resin cement; GR, the group with MDP-containing primer and MDP-free resin cement; SG, the group with MDP-free primer and MDP-containing resin cement; GG, the group with MDP-containing primer pretreatment and MDP-containing resin cement; MDP, 10-methacryloyloxydecyldihydrogen phosphate.