Table 5.
Screw loosening by the implants used in this study
| Screw loosening | χ2 | P-value | |||
|---|---|---|---|---|---|
|
| |||||
| No | Yes | ||||
| Implants (manufacturer) | ET (Dio) | 163 (86.2) | 26 (13.8) | 38.912 | 0.000* |
| GSIII (Osstem) | 11 (100) | 0 (0) | |||
| TSIII (Osstem) | 225 (97.0) | 7 (3.0) | |||
| USII (Osstem) | 331 (93.0) | 25 (7.0) | |||
| Pitt-easy (Oraltronics) | 78 (83.0) | 16 (17.0) | |||
| Restore (Lifecore Biomedical) | 4 (100) | 0 (0) | |||
| Osseotite (Biomet 3I) | 459 (92.0) | 40 (8.0) | |||
| Xive (Friadent) | 518 (95.4) | 25 (4.6) | |||
| Implant diameter (mm) | ≤3.5 | 169 (95.5) | 8 (4.5) | 39.409 | 0.000* |
| 3.75-4.1 | 952 (94.4) | 57 (5.6) | |||
| 4.5-4.9 | 312 (95.4) | 15 (4.6) | |||
| ≥5 | 356 (85.8) | 59 (14.2) | |||
| Implant length (mm) | ≤9.5 | 83 (95.4) | 4 (4.6) | 2.791 | 0.425 |
| 10-11.5 | 1,169 (92.1) | 100 (7.9) | |||
| 12-14 | 422 (93.8) | 28 (6.2) | |||
| ≥15 | 115 (94.3) | 7 (5.7) | |||
*
P<0.05.
Values are presented as number of implants (%).