Table 1. Baseline data: patient demographics and the VAS scores for the expectations of pain during the debond.
| Group 1 — control | Group 2 — wafer | Total | ||
| Subjects | Number | 45 | 45 | 90 |
| Males (%) | 22 (48·9) | 17 (37·8) | 39 (43·3) | |
| Females (%) | 23 (51·1) | 28 (62·2) | 51 (56·7) | |
| Age (years) | Mean (SD) | 15·9 (1·5) | 16·0 (1·6) | 16·0 (1·5) |
| Treatment duration (months) | Mean (SD) | 26·1 (7·3) | 27·7 (9·8) | 26·9 (8·6) |
| Range | 12–41 | 12–48 | 12–48 | |
| Satisfaction with treatment result | Mean (SD) | 91·6 (14·0) | 94·8 (8·8) | 93·2 (11·7) |
| Median | 98·5 | 98·2 | 98·3 | |
| Range | 48·8–100 | 49·2–100 | 48·8–100 | |
| Expectations of pain | ||||
| Anxiety about debond | Median | 13·2 | 11·4 | 11·4 |
| Range | 0–89·9 | 0–100 | 0–100 | |
| Pain overall | Median | 25·9 | 33·6 | 33·1 |
| Range | 0–76·0 | 0–99·4 | 0–99·4 | |
| Upper posterior teeth | Median | 29·4 | 30·4 | 30·2 |
| Range | 0–88·1 | 0 – 100 | 0–100 | |
| Upper anterior teeth | Median | 33·2 | 34·8 | 33·7 |
| Range | 0–85·7 | 0–87·7 | 0–87·7 | |
| Lower posterior teeth | Median | 22·3 | 23·6 | 23·0 |
| Range | 0–83·8 | 0–89·6 | 0 89·6 | |
| Lower anterior teeth | Median | 26·0 | 27·9 | 27·8 |
| Range | 0–75·7 | 0–95·7 | 0–95·7 | |
| Composite removal | Median | 29·6 | 21·5 | 23·8 |
| Range | 0–92·4 | 0–88·4 | 0–92·4 |