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The global aesthetic improvement scale (GAIS).
| Score | Grade | Delineation |
|---|---|---|
| −1 | Worse | Appearance worse than original condition |
| 0 | No change | Appearance essentially the same as original condition |
| 1 | Improved | Obvious improvement but touch‐up or retreatment in indicated |
| 2 | Much improved | Marked improvement in condition, but not optimal for the subject; touch‐up would slightly improve the result |
| 3 | Very much improved | Optimal cosmetic result for the subject |
| GAIS, global aesthetic improvement scale. | ||
