Abstract
Twenty non-growing subjects underwent sagittal ramus osteotomies and rigid fixation. Cephalograms were analyzed before surgery, immediately after surgery and at least six months following surgery to evaluate skeletal stability. A mean horizontal relapse of 0.42 mm (8%) and a mean vertical increase in lower face height of 0.2 mm were found six months after surgery. Both were statistically insignificant. The mean backward rotation of the mandible of 0.55° found six months after surgery was statistically significant (P < 0.015), but was considered to be clinically insignificant. The results of this study show that surgical mandibular advancement with rigid fixation is a very reliable and stable procedure.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 572-576 |
| Number of pages | 5 |
| Journal | Journal of Oral and Maxillofacial Surgery |
| Volume | 45 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 1987 |