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Three-dimensional virtual model surgery to fabricate the digital intermediate splint

Sun, Yi; Luebbers, Heinz-Theo; Politis, Constantinus (2013). Three-dimensional virtual model surgery to fabricate the digital intermediate splint. Journal of Craniofacial Surgery, 24(2):563-565.

Abstract

Model surgery is the classical requirement for fabricating an intermediate splint for bimaxillary surgery. However, several sources of error complicate the conventional manual technique for making an intermediate splint, and it can be difficult to reposition the cast model of the upper jaw in the desired position. Additionally, the manual procedure is time consuming and requires a lot of laboratory work. Here, we present a technical note on virtual model surgery, a computer-assisted method that combines 3-dimensional cone beam computed tomography (CBCT) of the articulator and an optical scan of the plaster cast models. A registration block is designed to match the detailed occlusal surface scan to the CBCT data. A paired-point-based registration algorithm is utilized to calculate the registration metric and to transfer the scanned plaster cast model of the upper jaw to the desired position. The detailed protocol is described, and one clinical case is presented.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic of Cranio-Maxillofacial Surgery
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Health Sciences > Surgery
Health Sciences > Otorhinolaryngology
Language:English
Date:2013
Deposited On:16 Dec 2013 09:13
Last Modified:09 Jun 2025 01:41
Publisher:Lippincott, Williams & Wilkins
ISSN:1049-2275
Additional Information:This is a non-final version of an article published in final form in Journal of Craniofacial Surgery.
OA Status:Green
Publisher DOI:https://doi.org/10.1097/SCS.0b013e3182700e4f
PubMed ID:23524742
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