Resolution of neurosensory deficit after mandibular orthognathic surgery: A prospective longitudinal study

Neurosensory deficit (NSD) after orthognathic surgery is common as reported in the literature1-7. Trigeminal nerve branches can be traumatized during orthognathic procedures and manifest as sensory impairment of the lips, facial skin, teeth and gingiva of the affected area postoperatively8, 9. Mandibular orthognathic procedures are particularly risky in causing NSD when compared to maxillary procedures10,11. Inferior alveolar nerve could be exposed in certain mandibular procedures like sagittal split ramus osteotomy, and nerve injury by traction or compression could be unavoidable.

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