Research Article

Bonding of Metal Orthodontic Attachments to Sandblasted Porcelain and Zirconia Surfaces

Table 2

Surface treatment for the zirconia group.

Bonding protocolsSurface treatment

Group 1Sandblasting + Z Prime plus (primer)
Group 2Sandblasting + RA plus (primer)
Control groupSandblasting + Porcelain Conditioner (silane)