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Changes in width of lower face after unilateral mandibular distraction osteogenesis
Wuyuan Tan1, Bing Yu, Feng Niu
1Department of Plastic and Aesthetic Surgery, Xiangya Hospital of Central South University, Changsha, China.
The Journal of Craniofacial Surgery
|February 17, 2012
Summary
Distraction osteogenesis (DO) for hemifacial microsomia did not significantly improve lower facial width in a pilot study. This craniofacial surgery technique showed no short-term benefits for facial contour enhancement.
Area of Science:
- Craniofacial Surgery
- Orthognathic Surgery
- Pediatric Plastic Surgery
Background:
- Hemifacial microsomia (HFM) often involves mandibular hypoplasia, impacting facial symmetry.
- Distraction osteogenesis (DO) is a common surgical technique to address mandibular deformities.
- Limited data exists on the effect of DO on lower facial width in HFM patients.
Purpose of the Study:
- To evaluate cephalometric changes in lower facial width after mandibular DO in HFM patients.
- To assess the influence of DO on facial contour at various time points.
- To provide insights into the efficacy of DO for improving lower facial width.
Main Methods:
- Pilot study involving 10 HFM patients undergoing mandibular body DO.
- Posteroanterior cephalograms used for cephalometric analysis.
- Measurements of facial width at pre-op, end of distraction, and end of consolidation.
Main Results:
- No statistically significant differences in lower facial width measurements were observed at the end of distraction or consolidation compared to pre-operation.
- Cephalometric analysis showed no significant improvement in the width of the lower face.
- The study found no short-term benefit of DO for enhancing lower facial width.
Conclusions:
- Distraction osteogenesis of the unilateral mandibular body may not be an effective method for improving lower facial width in HFM patients.
- Short-term follow-up suggests limited impact on facial contour related to width.
- Further research with longer follow-up periods is warranted to fully understand the long-term effects.
