Table 7.
Univariate binary logistic regression models for cortical bone perforation or invasion of the 2 mm secure distance from the surrounding anatomical structures (in relation to no perforation), for bone-driven implant position.
| Factor | Odds Ratio (95% CI) | p Value |
|---|---|---|
| Sex | ||
| Male | 1 | |
| Female | 3.971 (2.913, 5.413) | <0.001 |
| Age | 1 | |
| Increase by 1 year | 0.995 (0.986, 1.005) | 0.341 |
| Tooth region | ||
| Central incisor | 1 | |
| Lateral incisor | 1.397 (0.984, 1.984) | 0.062 |
| Canine | 1.040 (0.733, 1.476) | 0.825 |
| Implant diameter | ||
| 3.0/3.75 mm | 1 | |
| 3.3/4.3 mm | 1.877 (1.406, 2.505) | <0.001 |
| SRP class | ||
| 1 | 1 | |
| 2 | 0.999 (0.525, 1.899) | 0.997 |
| 3 | 1.831 (0.304, 11.034) | 0.509 |
| 4 | 12.054 (5.728, 25.368) | <0.001 |
| ILAA | 1 | |
| Increase by 1 degree | 0.756 (0.531, 1.076) | 0.120 |
| LCA | 1 | |
| Increase by 1 degree | 0.968 (0.955, 0.982) | <0.001 |
95% CI—95% confidence interval; ILAA—implant-line A angle; LCA—labial concavity angle; and SRP class—sagittal root position class.