Table 5.
Number of retainer debonding events categorized by debonding at the adhesive-enamel interface or the wire-composite interface
| Variable | Control group | Test group | p-value |
|---|---|---|---|
| Type of debonding | |||
| T1 | 2 | 0 | NA |
| Adhesive-enamel interface | 2 | 0 | |
| Wire-composite interface | 0 | 0 | |
| T2 | 4 | 8 | 0.091 |
| Adhesive-enamel interface | 2 | 2 | |
| Wire-composite interface | 2 | 6 | |
| T3 | 3 | 2 | 0.40 |
| Adhesive-enamel interface | 1 | 2 | |
| Wire-composite interface | 2 | 0 |
Values are presented frequencies (number) and proportions were compared between groups with the Fisher exact test.
T1, 1 month; T2, 6 months; T3, 12 months.