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Unexpected breakage of mandibular midline distraction device: case report
Sina Uckan1, Firdevs Veziroglu, Ayca Arman
1Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Baskent University, Ankara, Turkey.
Summary
Mandibular midline distraction osteogenesis (MMDO) effectively treats transverse mandibular deficiency and anterior crowding. A new major complication, distractor breakage during consolidation, was observed in this case report.
Area of Science:
- Oral and Maxillofacial Surgery
- Orthodontics
- Biomedical Engineering
Background:
- Transverse mandibular deficiency and anterior crowding present significant orthodontic challenges.
- Mandibular midline distraction osteogenesis (MMDO) is an established treatment, generally associated with minor complications.
- Nonunion of segments was previously the primary reported major complication of MMDO.
Observation:
- This case report details a patient undergoing MMDO for transverse mandibular deficiency and anterior crowding.
- During the consolidation phase, an unexpected complication occurred.
- The distraction device experienced a mechanical failure, fracturing during treatment.
Findings:
- The primary complication previously associated with MMDO was nonunion of bone segments.
- This report introduces distractor breakage as a novel, significant complication of MMDO.
- The breakage occurred during the critical consolidation period, potentially impacting treatment outcomes.
Implications:
- Distractor design and material integrity are crucial for MMDO success.
- Further research is needed to understand the incidence and prevention of distractor failure.
- This finding may necessitate modifications in surgical protocols or device engineering for MMDO procedures.
