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Stability of maxillary position after Le Fort I osteotomy using self-reinforced biodegradable poly-70L/30DL-lactide miniplates and screws.

Authors
 Bong Chul Kim ; Bonnie L. Padwa ; Young-Soo Jung ; Hyung-Sik Park 
Citation
 Journal of Oral and Maxillofacial Surgery, Vol.69(5) : 1442~1446, 2011 
Journal Title
 Journal of Oral and Maxillofacial Surgery 
ISSN
 0278-2391 
Issue Date
2011
Abstract
PURPOSE: The purpose of this study was to evaluate the stability of Le Fort I osteotomy using self-reinforced biodegradable poly-70L/30DL-lactide miniplates and screws. PATIENTS AND METHODS: Nineteen patients who had Le Fort I osteotomy and internal fixation using self-reinforced biodegradable poly-70L/30DL-lactide miniplates and screws were evaluated both radiographically and clinically. Changes in maxillary position after operation were documented 1 week, 1, 3, 6 mo, and/or 1-yr postoperatively with lateral cephalometric tracings. Complications of the self-reinforced biodegradable poly-70L/30DL-lactide miniplates and screws were evaluated by follow-up roentgenograms and clinical observation. A mixed model analysis for repeated measures was used for statistical analysis. RESULTS: Maxillary position was stable after operation with no change between time points (P > .05). There were no complications with the self-reinforced biodegradable poly-70L/30DL-lactide miniplates and screws. CONCLUSIONS: Internal fixation of the maxilla after Le Fort I osteotomy with self-reinforced biodegradable poly-70L/30DL-lactide miniplates and screws is a reliable method for maintaining the postoperative maxillary position after Le Fort I osteotomy.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/93537
DOI
10.1016/j.joms.2010.05.033
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Oral and Maxillofacial Surgery
Yonsei Authors
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Link
 http://www.sciencedirect.com/science/article/pii/S027823911000577X
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