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Modified version of the adhesive remnant index (ARI) according to Ju et al. [13]
| ARI | Failure |
|---|---|
| 0 | No adhesive left on the tooth/disk |
| 1 | < 50% adhesive left on the tooth/disk |
| 2 | > 50% adhesive left on the tooth/disk |
| 3 | All adhesive left on the tooth/disk |
| 4 | Disk/enamel fracture |
