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Self-reinforced biodegradable plates and screws for fixation of zygomatic fractures
Georg Enislidis1, Kaan Yerit, Gerd Wittwer
1University Hospital for Craniomaxillofacial and Oral Surgery, Medical University Vienna, Vienna, Austria. georg.enislidis@meduniwien.ac.at
Purpose:
The aim of this retrospective clinical study was to evaluate zygomatic fracture fixation with the BioSorbFX osteosynthesis system by assessing stability of reduction as well as complications in the first postoperative year and by conducting a survey to document surgeons' opinions on biodegradable osteosynthesis for this indication.
Material:
From January to September 2003, 25 patients with displaced non-infected unilateral fracture of the zygoma were operated upon (m:f = 20:5; age 17-81 years; mean 39.4 years) using the BioSorbFX 2.0 and/or 1.5 mm osteosynthesis systems.
Methods:
A: Clinical and radiographic examinations were carried out immediately postoperatively and after 1, 3, 6, 9 and 12 months.
Methods:
B: Surgeons were asked to participate in a survey critically evaluating their experience with biodegradable osteosynthesis systems.
Results:
A: All fractures of the zygoma healed uneventfully. An excessive soft tissue reaction due to the degradation process was not seen. Three minor complications which resolved after local therapy occurred in the immediate postoperative phase.
Results:
B: In the survey, the handling of biodegradable plates in general was rated worse than metal plate osteosynthesis.
Conclusion:
Fixation of fractures of the zygoma with the BioSorbFX system was simple and safe. The fixations remained stable and bony healing was uneventful. Postoperative complications were few, of a minor nature and not related to the process of biodegradation.
