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Journal of Korean Cleft Palate-Craniofacial Association 2008;9(2):45-50.
The Result of Mandible Fracture Fixations with Biodegradable Materials.
Jae Kwon Wang, Seok Chan Eun, Chan Yeong Heo, Rong Min Baek, Kyung Won Minn
Department of Plastic and Reconstructive Surgery, Seoul National University College of Medicine, Seoul, Korea. sceun@snubh.org
Abstract
PURPOSE
Traditionally, titanium miniplate has been used for rigid fixation of mandible fractures. However, the limitations of metal plate have been reported such as hypersensitivity, interference with the cranio-facial growth of growing child, secondary bone resorption around the plate, foreign body reaction, declination of primary callus formation, and bone atrophy, and so forth. Recently, biodegradable miniplate has been introduced and used as an alternative to the metal plate despite of its lower strength. This study evaluated the usefulness and stability of biodegradable plate and screw for treatment of mandible fractures. METHODS: In this study, 61 patients(92 areas) diagnosed as mandible fracture in the last 2 years have been reviewed. We used titanium plate and screw in 32 patients, and biodegradable plate and screw(INION?) in 29 patients. Stability of plates and screws, bony healing process and its side effects were observed by clinical and radiographic assessment.
RESULTS
In the titanium material group, one of malocclusion, two of mouth opening limitation, three of pain, three of palpation were shown. The plate of six patients involved in these complications were removed. In the biodegradable group, two of mouth opening limitation, two of pain, one of localized wound infection were shown and one plate was removed secondarily.
CONCLUSION
There was no statistical difference between two groups in bony healing and complication rates. Biodegradable implants show efficient stability during initial bone healing and low side effects in long-term follow up periods.
Keywords: Mandible fracture; Biodegradable plate
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