Research Article

Shear Bond Strength of Three Orthodontic Bonding Systems on Enamel and Restorative Materials

Figure 5

Typical examples of adhesive remnant index (ARI) scores of the bracket base and surface. (a) ARI score 4, with fractures in the group bracket base and surface; (b) ARI score 0, with 0% of the adhesive on the surface and 100% adhesive on the bracket.
(a)
(b)