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Incidence of subsidence
| Total | P value | |
|---|---|---|
| Sagittal plane | ||
| Anterior | 8.0% (6/75) | 0.21 |
| Posterior | 16.0% (12/75) | |
| Coronal plane | ||
| Left (approach side) | 5.3% (4/75) | 0.25 |
| Right (non-approach side) | 12.0% (9/75) | |
| Concave side | 12.2% (6/49) | 0.27 |
| Convex side | 4.1% (2/49) | |
There was no significant difference in the prevalence of subsidence between anterior and posterior areas, approach and non-approach sides, and concave and convex sides
