Comparison of the long-term clinical performance of a biodegradable and a titanium fixation system in maxillofacial surgery: A multicenter randomized controlled trial

B. Gareb*, N. B. van Bakelen, G. J. Buijs, J. Jansma, J. G. A. M. de Visscher, Th. J. M. Hoppenreijs, J. E. Bergsma, B. van Minnen, B. Stegenga, R. R. M. Bos

*Bijbehorende auteur voor dit werk

    OnderzoeksoutputAcademicpeer review

    31 Citaten (Scopus)
    311 Downloads (Pure)

    Samenvatting

    Background

    Biodegradable fixation systems could reduce or eliminate problems associated with titanium removal of implants in a second operation.

    Aim

    The aim of this study was to compare the long-term (i.e. >5 years postoperatively) clinical performance of a titanium and a biodegradable system in oral and maxillofacial surgery.

    Materials and methods

    The present multicenter Randomized Controlled Trial (RCT) was performed in four hospitals in the Netherlands. Patients treated with a bilateral sagittal split osteotomy (BSSO) and/or a Le Fort-I osteotomy, and those treated for fractures of the mandible, maxilla, or zygoma were included from December 2006 to July 2009. The patients were randomly assigned to either a titanium (KLS Martin) or a biodegradable group (Inion CPS).

    Results

    After >5 years postoperatively, plate removal was performed in 22 of the 134 (16.4%) patients treated with titanium and in 23 of the 87 (26.4%) patients treated with the biodegradable system (P = 0.036, hazard ratio (HR) biodegradable (95% CI) = 2.0 (1.05-3.8), HR titanium = 1). Occlusion, VAS pain scores, and MFIQ showed good and (almost) pain free mandibular function in both groups.

    Conclusion

    In conclusion, the performance of the Inion CPS biodegradable system was inferior compared to the KLS Martin titanium system regarding plate/screws removal in the abovementioned surgical procedures.

    Originele taal-2English
    Aantal pagina's12
    TijdschriftPLoS ONE
    Volume12
    Nummer van het tijdschrift5
    DOI's
    StatusPublished - 11-mei-2017

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