Neurological damage after sagittal split osteotomy.

Neurological damage following the sagittal split osteotomy is a commonly recognised complication. The results of 38 osteotomies in 19 patients following a minimum post-operative period of 2 years is presented. Subjective evaluation demonstrated normal sensation in 73.7% of osteotomy sides. However, objective evaluation demonstrated normal sensation in only 34.2% of sides. The remainder had a variable degree of sensory loss.