Effect of an MDP-containing ceramic primer application on adhesion to a ZLS ceramic with or without prior acid etching

This study evaluated if using an MDP-containing ceramic primer combined with acid etching or without improves the microshear bond strength of resin cement to a zirconia-reinforced lithium silicate ceramic (ZLS). A total of 32 ZLS ceramic plates (Vita Suprinity) were prepared and divided according to the following adhesive procedures: primer (P), silane (S), hydrofluoric acid etching + primer (HFP), or hydrofluoric acid etching + silane (HFS)....