Three-dimensional mandibular change after sagittal split ramus osteotomy with a semirigid sliding plate system for fixation of a mandibular setback surgery

Objective This study proposes a new plate system, a sliding plate, after sagittal split ramus osteotomy (SSRO). The sliding plate was designed to adjust the spatial relationship between the proximal and distal segments during the postoperative period. This plate was used for mandibular setback surge...

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Published inOral surgery, oral medicine, oral pathology and oral radiology Vol. 115; no. 2; pp. 157 - 166
Main Authors Ghang, Moon-Ho, DDS, MSD, Kim, Hyung-Min, PhD, You, Jun-Young, DDS, MSD, PhD, Kim, Byoung-Ho, DDS, MSD, PhD, Choi, Jae-Pyong, DDS, MSD, Kim, Soo-Ho, DDS, Choung, Pill-Hoon, DDS, MSD, PhD
Format Journal Article
LanguageEnglish
Published United States Mosby, Inc 01.02.2013
Subjects
Adult
Bone Plates
Cephalometry
Cone-Beam Computed Tomography
Dentistry
Facial Asymmetry - diagnostic imaging
Facial Asymmetry - surgery
Female
Humans
Imaging, Three-Dimensional
Jaw Fixation Techniques - instrumentation
Korea
Male
Mandible - diagnostic imaging
Mandible - surgery
Osteotomy, Sagittal Split Ramus
Prognathism - diagnostic imaging
Prognathism - surgery
Surgery
Treatment Outcome
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Summary:Objective This study proposes a new plate system, a sliding plate, after sagittal split ramus osteotomy (SSRO). The sliding plate was designed to adjust the spatial relationship between the proximal and distal segments during the postoperative period. This plate was used for mandibular setback surgery to minimize forward early relapse. Study Design Twenty-six Korean subjects who had undergone mandibular setback surgery by SSRO were included in this study. Skeletal stability was evaluated with lateral cephalograms and 3-dimensional cone-beam computerized tomography. Results Forward mandibular movement during the postoperative period was ∼2 mm. The condyles rotated inward on the axial view after surgery. Postoperatively, the condyle rotated outward on the axial view, inward on the coronal view, and forward on the sagittal view by a statistically significant amount. Conclusions The fixation method with sliding plates after SSRO was stable and convenient for the operators during surgery and postoperative care.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:2212-4403
2212-4411
DOI:10.1016/j.oooo.2012.02.022