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Mandibular cortical bone ratio in each group
| Group | Mean | SD | Significance | |||
|---|---|---|---|---|---|---|
| A–B | A–C | B–C | ||||
| Cortical bone ratio (%) | A | 37.9 | ± 7.1 | 0.000* | 0.000* | 0.006* |
| B | 27.9 | ± 5.4 | ||||
| C | 23.3 | ± 4.1 | ||||
A: patients with MRONJ
B: patients taking BP without MRONJ
C: controls
*Significant at the level of P < 0.05
