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Novel Rigid External Distraction Device Improves Stability and Controls the Vector During Midfacial Advancement
Cory M Resnick1, Stephen Alex Rottgers, Christopher C Langenfeld
1*Harvard School of Dental Medicine, Department of Plastic and Oral Surgery, Boston Children's Hospital †Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA ‡DEKA Research and Development Corporation, Manchester, NH §Department of Plastic and Oral Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA.
This study introduces a new external device for midfacial distraction following Le Fort III osteotomies, improving vector and force control. A custom cranial template ensures precise device placement for better surgical outcomes.
Area of Science:
- Craniofacial surgery
- Orthognathic surgery
- Biomedical engineering
Background:
- Le Fort III osteotomies are used for midfacial advancement.
- Current rigid external devices have limitations in controlling distraction vectors.
- Ductile wires in existing devices hinder precise force application.
Observation:
- A novel external appliance was developed to overcome limitations of current devices.
- A custom cranial template aids in precise device placement.
- The new appliance offers improved control over distraction vector and force.
Findings:
- The novel appliance allows for more accurate control of distraction vector and force.
- The custom cranial template facilitates accurate and reproducible device positioning.
- This approach addresses limitations associated with ductile wires in traditional devices.
Implications:
- Potential for improved outcomes in midfacial reconstruction.
- Enhanced precision in distraction osteogenesis procedures.
- Offers a more controlled and predictable method for craniofacial skeletal advancement.
