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Use of biodegradable plates and screws in a rabbit model
S R Thaller1, V Huang, H Tesluk
1University of California Davis Medical Center.
The Journal of Craniofacial Surgery
|March 1, 1992
Summary
Biodegradable plates and screws offer a promising alternative to traditional metallic implants for craniomaxillofacial fractures, potentially avoiding complications like growth restriction and imaging interference.
Area of Science:
- Biomaterials Science
- Orthopedic Surgery
- Craniofacial Surgery
Background:
- Metallic plates and screws are standard for craniomaxillofacial fracture fixation.
- Concerns exist regarding metallic implants, including growth restriction in children, bone resorption, infection, and interference with radiological and radiation therapy.
- Biodegradable plating systems could resolve these issues by providing temporary stability.
Purpose of the Study:
- To evaluate a commercially available biodegradable plate and screw system for treating zygomatic arch fractures.
- To compare the efficacy of biodegradable implants with standard titanium fixation and no fixation in a rabbit model.
Main Methods:
- Surgically created zygomatic arch fractures in rabbits.
- Three groups: no fixation, titanium fixation, and biodegradable fixation.
- Radiographic evaluation at 2, 4, 6, and 8 weeks post-surgery.
Main Results:
- Initial phase of a long-term study investigating biodegradable plating systems.
- Evaluation of a specific biodegradable system in a rabbit zygomatic arch fracture model.
Conclusions:
- Biodegradable plating systems represent a potential advancement in craniomaxillofacial surgery.
- Further long-term studies are needed to fully assess the benefits and efficacy of biodegradable implants.