Significance of location of mandibular canal by 3-dimensional CT in the mandibular angle osteotomy.
- Author:
Ji-Chang WANG
1
;
Lai GUI
;
Zhi-Yong ZHANG
;
Feng NIU
;
Jing-Long CAI
Author Information
- Publication Type:Journal Article
- MeSH: Adult; Female; Humans; Imaging, Three-Dimensional; Mandible; diagnostic imaging; innervation; surgery; Mandibular Nerve; diagnostic imaging; Neural Tube; diagnostic imaging; Tomography, X-Ray Computed
- From: Chinese Journal of Plastic Surgery 2008;24(5):360-362
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo decrease the incidence of inferior alveolar neurovascular bundle injury through location of mandibular canal by 3-dimensional (3-D) CT.
METHODS30 female cases with prominent mandibular angle underwent 3-D CT before operation. The 3-D images were used to measure the distances between upper points of lower teeth to the inferior border of the canal. Then the osteotomy was designed according to the canal position to avoid the inferior alveolar neurovascular bundle injury. The canal protection was observed intraoperatively and postoperatively.
RESULTSThe mandibular canal was protected very well in all 30 cases without any injury to the inferior alveolar neurovascular bundle.
CONCLUSIONSThe 3-D CT can accurately locate the mandibular canal to guide the design of the mandibular angle osteotomy for patients with prominent mandibular angle.
