Publication date: Available online 30 November 2018
Source: The Journal of Prosthetic Dentistry
Author(s): Valentina Lancellotta, Stefano Pagano, Luca Tagliaferri, Marco Piergentini, Alessandro Ricci, Sandro Montecchiani, Simonetta Saldi, Sara Chierchini, Stefano Cianetti, Vincenzo Valentini, György Kovács, Cynthia Aristei
Abstract
This clinical report describes the use of a 3-dimensional (3D) printer to create an individual mold for delivering high-dose-rate interventional radiotherapy for hard palate cancer. The maxillary teeth and palate were scanned with an intraoral scanner (3Shape Trios 3). The scan was transformed into a mesh using the standard tessellation language (STL) format and aligned with Digital Imaging and Communications in Medicine (DICOM) computed tomography (CT) images using free Blue Sky Plan 4 planning software. A mold was generated by tracing a guideline around the gingival margins of the maxillary teeth and palate on the scan mesh in accordance with established parameters. All data were imported into computer-aided design (CAD) software. For this patient, 3 parallel 2.2-mm-diameter ducts were placed 10 mm from each other in the mold mesh. A CT scan of the patient's mouth with the mold in place was used for treatment planning. Treatment was delivered by means of microSelectron digital afterloading.
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