The Effect of Bonding Surface Design on Shear Bond Strength of 3D-Printed Orthodontic Attachments

Figure 1

Bonding surface designs of attachments. (1) Flat surface without any features, (2) concentric circles with no cuts, (3) concentric circles with 16 cuts, (4) concentric circles with 32 cuts, (5) anchor pylon, and (6) mesh-based metal attachment.