Procedure Increasing the Accuracy of Modelling and the Manufacturing of Surgical Templates with the Use of 3D Printing Techniques, Applied in Planning the Procedures of Reconstruction of the Mandible.

Paweł Turek,Łukasz Przeszłowski,Jan Frańczak,Tomasz Dziubek,Paweł Pakla,Bogumił Lewandowski,Sławomir Wolski,Grzegorz Budzik

doi:10.3390/jcm10235525

Paweł Turek, Łukasz Przeszłowski + Show 6 more

Open Access

https://doi.org/10.3390/jcm10235525

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Abstract

The application of anatomical models and surgical templates in maxillofacial surgery allows, among other benefits, the increase of precision and the shortening of the operation time. Insufficiently precise anastomosis of the broken parts of the mandible may adversely affect the functioning of this organ. Applying the modern mechanical engineering methods, including computer-aided design methods (CAD), reverse engineering (RE), and rapid prototyping (RP), a procedure used to shorten the data processing time and increase the accuracy of modelling anatomical structures and the surgical templates with the use of 3D printing techniques was developed. The basis for developing and testing this procedure was the medical imaging data DICOM of patients treated at the Maxillofacial Surgery Clinic of the Fryderyk Chopin Provincial Clinical Hospital in Rzeszów. The patients were operated on because of malignant tumours of the floor of the oral cavity and the necrosis of the mandibular corpus, requiring an extensive resection of the soft tissues and resection of the mandible. Familiarity with and the implementation of the developed procedure allowed doctors to plan the operation precisely and prepare the surgical templates and tools in terms of the expected accuracy of the procedures. The models obtained based on this procedure shortened the operation time and increased the accuracy of performance, which accelerated the patient’s rehabilitation in the further course of events.

Highlights

The rapid development that has been observed in recent years in the area of tools and information systems in mechanical engineering, including the development of methods of rapid prototyping (RP) [1,2] and reverse engineering (RE) [3,4], can be successfully used in medicine in order to optimize and improve the quality of therapy [5]
Thespecialist specialistliterature literaturepresents presentsa alotlot scientific studies regarding of spaThe ofof scientific studies regarding thethe useuse of spatial tial modelling methods, enabling the preparation of of models of anatomical structures, modelling methods, enabling the preparation of models anatomical structures, surgical surgical templates or [6,10,15,22,76,77]
Designing and making models for a surgical procedure is not a simple task. This is especially true of the area the facial part of the skull, which consists of bone tissues of very complex geometry

Summary

Introduction

The rapid development that has been observed in recent years in the area of tools and information systems in mechanical engineering, including the development of methods of rapid prototyping (RP) [1,2] and reverse engineering (RE) [3,4], can be successfully used in medicine in order to optimize and improve the quality of therapy [5]. In the areas mentioned earlier, both anatomical models for planning procedures and surgical templates are usually used to increase precision and shorten the operation time [21–24]. The development of these procedures is a complex and interdisciplinary process. It requires extensive experience, medical and technical knowledge ( in the fields of anatomy, radiology, mechanics, and biomedical engineering), knowledge of modern computer-aided design methods (CAD), RP, and RE

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