Subjective perception of paraesthesia of the lower lip after bilateral sagittal split osteotomy at a district general hospital

Publication date: Available online 22 May 2018
Source:British Journal of Oral and Maxillofacial Surgery
Author(s): E. Mackinnon, K. Bajaj, D. Tighe, M. Williams
Our aim was to assess patients' perception of paraesthesia of the lower lip after bilateral sagittal split osteotomy (BSSO) at a district general hospital. Patients who had BSSO between August 2013 and August 2014 (n=46) were asked to score their perception of numbness between 0–10 (0=normal sensation. 10=complete loss of sensation/total numbness) one day postoperatively and then weekly for seven weeks, and at three months, 6 months, and one year. Data was collected on score sheets and by regular contact by telephone. Of the 46 operated on, 31 were female and 15 male. Data were available one year postoperatively for 43 patients. Ten of the 92 sides were reported as feeling normal on day 1 postoperatively, three-quarters as feeling normal at six months, and 79 at one year. On multivariate analysis there was no significant difference in postoperative sensation at one year between sides operated on by the registrar (left) and consultant (right) operated (p=0.76). Our results compared favourably with the limited data available in similarly designed studies.



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