Document Detail

Comparison of the stability of bioabsorbable and titanium osteosynthesis materials for rigid internal fixation in orthognathic surgery. A prospective randomized controlled study in 101 patients with 192 osteotomies.
MedLine Citation:
PMID:  20828989     Owner:  NLM     Status:  In-Process    
The purpose of this study was to evaluate the stability of rigid internal fixation in orthognathic surgery with either bioabsorbable or titanium osteosynthesis. Orthognathic surgery was performed on 101 patients. Bilateral sagittal ramus osteotomy was performed on 55 patients using bioabsorbable osteosynthesis in 26 and titanium osteosynthesis in 29 patients. Le Fort I osteotomy was performed on 28 patients with bioabsorbable and titanium osteosynthesis in 17 and 11 patients, respectively. Bimaxillary osteotomies were performed on 18 patients (8 were fixated with bioabsorbable and 10 with titanium osteosynthesis). Poly-70L/30DL-lactide copolymer (PLDLA) consisting of 70% L-lactide and 30% DL-lactide was used as the bioabsorbable osteosynthesis material. These plates and screws were compared with corresponding titanium materials. Statistically a clear relapse tendency was seen in skeletal measurements in all patient groups but without clinical importance. Radiological follow-up time was at least 18.3 months and clinical follow-up time at least 6.3 years. The materials used did not cause any adverse reaction except in three cases, one in the bioabsorbable group and two in the titanium group where fistula in connection with the osteosynthesis material was noted resulting in removal of the materials.
V Tuovinen; R Suuronen; M Teittinen; P Nurmenniemi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-15
Journal Detail:
Title:  International journal of oral and maxillofacial surgery     Volume:  39     ISSN:  1399-0020     ISO Abbreviation:  Int J Oral Maxillofac Surg     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8605826     Medline TA:  Int J Oral Maxillofac Surg     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  1059-65     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2010 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.
Department of Oral and Maxillofacial Surgery, Central Hospital of Central Finland Health Care District, Jyväskylä, Finland.
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