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Inferior alveolar nerve (IAN) injury and recovery according to anatomic relationship of the roots' tips in relation to the mandibular canal (MC)
|
Position of the roots in relation the MC |
Above the canal | Buccal side | Lingual side | Canal between the roots |
|---|---|---|---|---|
| IAN injury incidence | 9/272 (3.3%) | 16/86 (18.6%) | 8/172 (4.6%) | 0/7 (0%) |
| P value | 0.006 | < 0.0001 | 0.32 | - |
| IAN recovery | 23 healed within a week, and 10 healed within 6 months. No permanent injury. | |||
