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Distribution frequency and percentages of the adhesive remnant index (ARI).
| Group | ARI scores (%) | n | |||
|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | ||
| I | 1 (3.3) | 5 (16.6) | 16 (53.3) | 8 (26.6) | 30 |
| II | 1 (3.3) | 11 (36.6) | 9 (30) | 9 (30) | 30 |
| III | 29 (96.6) | 1 (3.3) | 0 (0) | 0 (0) | 30 |
| IV | 5 (16.6) | 20 (66.6) | 3 (9.9) | 2 (6.6) | 30 |
χ 2 = 116.377; df = 9; P = 0.000.
