University of Oulu

Juho Suojanen, Sanna Järvinen, Zlatan Hodzic, Justus Reunanen, Junnu Leikola, Patricia Stoor, No differences in infections between patient-specific implants and conventional mini-plates in mandibular bilateral sagittal split osteotomy — Up to 3-year follow-up, Journal of Cranio-Maxillofacial Surgery, Volume 47, Issue 8, 2019, Pages 1181-1184, ISSN 1010-5182,

No differences in infections between patient-specific implants and conventional mini-plates in mandibular bilateral sagittal split osteotomy : up to 3-year follow-up

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Author: Suojanen, Juho1,2; Järvinen, Sanna3; Hodzic, Zlatan3;
Organizations: 1Department of Plastic Surgery, Cleft Palate and Craniofacial Centre, (Head: Hannu Kuokkanen), Helsinki University Central Hospital, Helsinki, Finland
2Päijät-Häme Joint Authority for Health and Wellbeing, Department of Oral and Maxillo-Facial Surgery, (Head: Eeva Kormi), Lahti, Finland
3Department of Oral and Maxillo-Facial Diseases, Clinicum, Faculty of Medicine, (Head: Risto Kontio), University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
4Cancer and Translational Medicine Research Unit, Biocenter Oulu, (Head: Johanna Myllyharju), University of Oulu, Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 0.8 MB)
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Language: English
Published: Elsevier, 2019
Publish Date: 2019-10-20


The use of individually designed osteotomies, combined with individually manufactured osteosynthesis material, is rapidly becoming a standard for more challenging maxillofacial surgery. The benefits of patient-specific implants (PSI) in orthognathic surgery are clear in complex cases. PSIs can enhance precision and ease up the surgical protocol. We previously reported on the benefits of PSIs as reposition and fixation systems during Le Fort I osteotomy. The aim of this study was to evaluate a cohort of 28 patients, treated with bilateral sagittal split osteotomy (BSSO) and PSIs for fixation, with regard to healing for up to 3 years. A retrospective cohort of 48 patients with conventional mini-plate repositioned mandibles was also collected for statistical analysis. No statistically significant differences were found with regard to infection, soft tissue problems, or reoperations between these two groups.

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Series: Journal of cranio-maxillo-facial surgery
ISSN: 1010-5182
ISSN-E: 1878-4119
ISSN-L: 1010-5182
Volume: 47
Issue: 8
Pages: 1181 - 1184
DOI: 10.1016/j.jcms.2018.10.009
Type of Publication: A1 Journal article – refereed
Field of Science: 313 Dentistry
3126 Surgery, anesthesiology, intensive care, radiology
Funding: This work was financially supported by the Emil Aaltonen Foundation, the Finnish-Norwegian Medical Foundation, the Finnish Medical Foundation, the Paulo Foundation, Helsinki University Hospital Funds and the Academy of Finland (reference no. 299749).
Academy of Finland Grant Number: 299749
Detailed Information: 299749 (Academy of Finland Funding decision)
Copyright information: © 2018 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license