Table 1 Type of first failure in the maxilla
Jaw | Type of first failure | Retainium | Orthoflex | Bond-A Braid | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Female | Male | Total | Female | Male | Total | Female | Male | Total | |||
Maxilla | 0: Intact bonding | 10 | 2 | 12 | 10 | 1 | 11 | 8 | 2 | 10 | 33 |
1: full retainer out and rebonded | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
2: Fracture of the wire | 17 | 5 | 22 | 11 | 10 | 21 | 22 | 6 | 28 | 71 | |
3: Detachment at the wire-composite interface or adhesive-enamel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
4: Composite damage | 0 | 0 | 0 | 2 | 1 | 3 | 1 | 0 | 1 | 4 | |
5: retainer replaced by new retainer | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | |
6: No retainer in situ at T3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
7: Multiple failures at the same time | 0 | 0 | 0 | 4 | 0 | 4 | 1 | 1 | 2 | 6 | |
Mandible | 0: Intact bonding | 15 | 3 | 18 | 13 | 7 | 20 | 21 | 6 | 27 | 65 |
1: Full retainer out and rebonded | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
2: Fracture of the wire | 8 | 3 | 11 | 14 | 2 | 16 | 10 | 1 | 11 | 38 | |
3: Detachment at the wire-composite interface or adhesive-enamel | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
4: Composite damage | 2 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 4 | |
5: Retainer replaced by new retainer | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
6: No retainer in situ at T3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
7: Multiple failures at the same time | 0 | 0 | 0 | 2 | 1 | 3 | 1 | 1 | 2 | 5 | |