Table 3 Type of the first failure for the maxilla
.016″ × .022″ braided SS four incisors (N = 82) | |||
|---|---|---|---|
Male (N = 24) | Female (N = 58) | Total (N = 82) | |
0: intact bonding | 13 | 48 | 61 (74.4%) |
1: full retainer out and rebonded | 0 | 0 | 0 (0%) |
2: fracture | 0 | 0 | 0 (0%) |
3: detachment | 3 | 3 | 6 (7.3%) |
4: composite damage | 6 | 5 | 11 (13.4%) |
5: retainer replaced by a new retainer | 0 | 0 | 0 (0%) |
6: no retainer in situ at T3 | 1 | 1 | 2 (2.4%) |
7: multiple types of failures at the same time | 1 | 1 | 2 (2.4%) |
Total failures per retainer | 21 (25.6%) | ||