Research Article

Bonding of Metal Orthodontic Attachments to Sandblasted Porcelain and Zirconia Surfaces

Table 1

Surface treatment for the feldspathic porcelain group.

Bonding protocolsSurface treatment

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