The use of cranial resection templates with 3D virtual planning and PEEK patient-specific implants: A 3 year follow-up

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Title:	The use of cranial resection templates with 3D virtual planning and PEEK patient-specific implants: A 3 year follow-up
Author(s):	Vijfeijken, S. van de; Schreurs, R.; Dubois, L.; Becking, A.G.; Karssemakers, L.H.E.; Milstein, D.M.; Depauw, P.R.A.M.; Hoefnagels, F.W.A.; Vandertop, W.P.; Kleverlaan, C.J.; Munker, T.J.A.G.; Maal, T.J.J. ; Nout, E.; Riool, M.; Zaat, S.A.
Publication year:	2019
Source:	Journal of Cranio-Maxillo-Facial Surgery, vol. 47, iss. 4, (2019), pp. 542-547
ISSN:	1010-5182
DOI:	https://doi.org/10.1016/j.jcms.2018.07.012
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/205533
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Subject:	Radboudumc 10: Reconstructive and regenerative medicine RIHS: Radboud Institute for Health Sciences
Organization:	Oral and Maxillofacial Surgery
Journal title:	Journal of Cranio-Maxillo-Facial Surgery
Volume:	vol. 47
Issue:	iss. 4
Page start:	p. 542
Page end:	p. 547
Abstract:	PURPOSE: The aim of this study was to evaluate the accuracy of resection templates in cranioplasties in order to facilitate a one-stage resection and cranial reconstruction. PATIENTS AND METHODS: In three cases, cranial resections were combined with direct reconstructions using the principles of computer-aided design, manufacturing, and surgery. The precision of the resection template was evaluated through a distance map, comparing the planned and final result. RESULTS: The mean absolute difference between the planned and actual reconstructed contour was less than 1.0 mm. After 3 years, no clinical signs of infection or rejection of the implants were present. The computed tomography scans showed no irregularities, and the aesthetic results remained satisfactory. CONCLUSION: One-stage resection and cranial reconstruction using a resection template, control template, and a prefabricated patient-specific implant of poly(ether-ether-ketone) (PEEK) proved to be a viable and safe method.