The use of patient-specific implants in orthognathic surgery : A series of 30 mandible sagittal split osteotomy patients

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Pysyväisosoite

http://hdl.handle.net/10138/298188

Lähdeviite

Suojanen , J , Leikola , J & Stoor , P 2017 , ' The use of patient-specific implants in orthognathic surgery : A series of 30 mandible sagittal split osteotomy patients ' , Journal of Cranio-Maxillo-Facial Surgery , vol. 45 , no. 6 , pp. 990-994 . https://doi.org/10.1016/j.jcms.2017.02.021

Julkaisun nimi: The use of patient-specific implants in orthognathic surgery : A series of 30 mandible sagittal split osteotomy patients
Tekijä: Suojanen, Juho; Leikola, Junnu; Stoor, Patricia
Muu tekijä: University of Helsinki, Clinicum
University of Helsinki, Plastiikkakirurgian yksikkö
University of Helsinki, Suu- ja leukakirurgian yksikkö
Päiväys: 2017-06
Kieli: eng
Sivumäärä: 5
Kuuluu julkaisusarjaan: Journal of Cranio-Maxillo-Facial Surgery
ISSN: 1010-5182
URI: http://hdl.handle.net/10138/298188
Tiivistelmä: Purpose: Virtual surgery combined with patient-specific saw and drill guides and osteosynthesis materials are rapidly spreading from reconstructive surgery to orthognathic surgery. Most commercial partners are already providing computer-aided design and computer-aided manufacture (CAD/CAM) wafers and patient-specific saw guides. Clear benefits have been demonstrated for custom-made drill guides combined with individually designed three-dimensional (3D) printed patient-specific implants (PSI) as a reposition and fixation system in Le Fort I osteotomy. Materials and methods: We treated 30 patients who underwent bilateral sagittal split osteotomy (BSSO) due to class II dento-skeletal deformities with the additional use of drill guides combined with PSI as a fixation and positioning system. Results: The PSIs fitted bilaterally with total precision in 11 of the 30 patients. In 17 patients, the PSIs were used with some modifications. In 2 of 30 patients, the PSIs could not be used as a fixation due to misfit. Conclusion: Due to unpredictable fitting, the use of PSIs with drill guides alone in BSSO without wafers cannot be recommended. Further studies are needed to evaluate the interfering parts, which seem to be related to condylar positioning and bony interferences at the osteotomy sites. (C) 2017 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
Avainsanat: Sagittal split osteotomy
BSSO
Sagittal ramus osteotomy
Orthognatic surgery
Patient specific implants
CAD/CAM
RECONSTRUCTION
313 Dentistry
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