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Fronto-sternal traction: an adjunct to orthognathic surgery
M S Chen1, D R Ashworth, G H Irvine
1Department of Child Dental Health, Bristol Dental School, University of Bristol, UK.
European Journal of Orthodontics
|February 1, 1995
Summary
This case report details an unexpected bite outcome after bimaxillary osteotomy for skeletal Class III correction. A fronto-sternal traction device was used to reposition the mandible separately from the maxilla to fix the occlusion.
Area of Science:
- Oral and Maxillofacial Surgery
- Orthodontics
- Skeletal Discrepancy Correction
Background:
- Skeletal Class III malocclusion often requires surgical intervention like bimaxillary osteotomy.
- Achieving ideal occlusal results after bimaxillary surgery can be challenging.
- Independent repositioning of jaw segments may be necessary in complex cases.
Observation:
- An unexpected occlusal result occurred post-bimaxillary osteotomy.
- The maxilla was previously plated, indicating a stable fixation.
- The patient presented with a need for further occlusal correction.
Findings:
- The mandible was protracted independently of the plated maxilla.
- A fronto-sternal traction device was employed for mandibular repositioning.
- This approach aimed to correct the emergent occlusal discrepancy.
Implications:
- This case highlights the potential for unforeseen occlusal issues even after standard surgical correction.
- Independent mandibular repositioning using external traction is a viable, albeit unconventional, method for fine-tuning occlusion.
- Further research into predictive factors for occlusal outcomes in bimaxillary surgery is warranted.