Technical factors accounting for stability of a bilateral sagittal split osteotomy advancement: Wire osteosynthesis versus rigid fixation

Joseph E. Van Sickels, Calogero Dolce, Stephen Keeling, Billy Don Tiner, Gary M. Clark, John D. Rugh

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

OBJECTIVE: Relapse after bilateral sagittal split osteotomy has been attributed to various technical factors that are inherent in the surgical procedure. The purpose of this article was to analyze technical factors that predispose to relapse when wire or rigid fixation is used. STUDY DESIGN: Patients were randomized to either rigid or wire osteosynthesis. Cephalometric radiographs were obtained and digitized at multiple time periods before and after surgery. Data were analyzed through use of 2-sample t tests and stepwise regression analyses. RESULTS: Multivariate analysis indicated that the following factors correlated with relapse: initial advancement, change in ramus in inclination, change in the mandibular plane, and fixation type. CONCLUSIONS: Relapse increased with the amount of initial advancement and, to a lesser extent, with control of the proximal segment and change in the mandibular plane. These factors are similar for wire osteosynthesis and rigid fixation.

Original languageEnglish (US)
Pages (from-to)19-23
Number of pages5
JournalOral surgery, oral medicine, oral pathology, oral radiology, and endodontics
Volume89
Issue number1
DOIs
StatePublished - Jan 2000

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology
  • General Dentistry

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