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Comparison of the long-term skeletal stability between a biodegradable and a titanium fixation system following BSSO advancement — A cohort study based on a multicenter randomised controlled trial |
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| Authors: | NB van Bakelen BDA Boermans GJ Buijs J Jansma GJ Pruim ThJM Hoppenreijs JE Bergsma B Stegenga RRM Bos |
| Institution: | 1. Department of Oral and Maxillofacial Surgery, University Medical Centre Groningen, University of Groningen, P.O. Box 30.001, 9700 RB Groningen, The Netherlands;2. Department of Orthodontics, University Medical Centre Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands;3. Department of Oral and Maxillofacial Surgery, Rijnstate Hospital Arnhem, 6800 TA Arnhem, P.O. Box 9555, The Netherlands;4. Department of Oral and Maxillofacial Surgery, Amphia Hospital Breda, P.O. Box 90.158, 4800 RK Breda, The Netherlands;5. UMCG Center for Dentistry and Oral Hygiene, Department of Oral Health Care & Clinical Epidemiology, University Medical Centre Groningen, University of Groningen, P.O. Box 30.001, 9700 RB Groningen, The Netherlands |
| Abstract: | Biodegradable fixation systems could reduce or eliminate the problems associated with removal of titanium plates. A multicenter randomised controlled trial (RCT) was performed in the Netherlands from December 2006-July 2009, and originally 230 injured and orthognathic patients were included. The patients were randomly assigned to either a titanium control group (KLS Martin) or to a biodegradable test group (Inion CPS). The aim of the present study was to compare the long-term skeletal stability of advancement bilateral sagittal split osteotomies (BSSO) of a biodegradable system and a titanium system. Only patients from the original RCT who were at least 18 years old and who had a BSSO advancement osteotomy were included. Those who had simultaneous Le Fort I osteotomy or genioplasty were excluded. Analysis of skeletal stability was made by digital tracing of lateral cephalograms. |
| Keywords: | Inion KLS Martin relapse treatment outcome surgical fixation devices oral surgery |
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