Neurosensory disturbance with rigid fixation of the bilateral sagittal split osteotomy

Gary J. Nishioka, Monte K. Zysset, Joseph E. Van Sickels

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150 Scopus citations


Twenty-one patients who underwent bilateral sagittal split osteotomies using rigid fixation were evaluated by neurosensory testing. Neurosensory tests included light touch (LT), brush stroke direction (BSD), two-point discrimination (2-P), and temperature (T). Tests were conducted using the two-alternate forced choice method. The density of neurosensory disturbance was examined as well as the incidence of neurosensory disturbance as it correlated with age of the patient. The incidence of neurosensory disturbance was 45.2% ( 19 42) to LT, 52.4% ( 22 42) to BSD, 33.3% ( 14 42) to 2-P and 7.1% ( 3 42) to T. The majority of demonstrable neurosensory disturbances were not dense. Increased age was associated with an increased incidence of neurosensory disturbance.

Original languageEnglish
Pages (from-to)20-26
Number of pages7
JournalJournal of Oral and Maxillofacial Surgery
Issue number1
StatePublished - Jan 1987

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology


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