Browsing by Author "Pacheco Merchan, Maria Belen"

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Uso de CBCT y herramientas computacionales odontologicas para la reconstrucción tridimensional de objetos arquelógicos
(2020) Vega Zamora, Oswaldo Francisco; Da Costa Moraes, Cicero André; Pacheco Merchan, Maria Belen; Espinoza Mejía, Jorge Mauricio; Cazar Almache, Marcelo Enrique
Cone Beam Computed Tomographs (CBCT) provide high-quality 3D images with submillimeter resolutions, fairly short scantimes (10 to 70 seconds) and radiation doses up to 15 times lower than classic CT systems. Thanks to this, its use in differentareas, both in dentistry and in other areas, has increased significantly. Additionally, the advancement of teleradiology and thecompatibility of the resulting DICOM images with different types of planning, simulation and 3D printing software; have madeit possible to consolidate a powerful tool for the possible early and accurate diagnosis of different deep lesions, anomalies andthe acquisition of deep knowledge about a specific maxillofacial area and its relationship with adjacent structures. However,its resulting measurements with very little error range and the possibility of generating three-dimensional reconstructionsmake it a clear pedagogical instrument of great utility in modern archaeological, technological, forensic, anthropologicaland biomedical investigation techniques. This article provides an overview of CBCT systems, their associated computationaltechnologies, and demonstrates their applicability as tools for the analysis, preservation, reconstruction and reproduction ofarchaeological pieces. As a test, its application in the acquisition of different stereolithographic models of archaeologicalremains of the Pumapungo Museum in the city of Cuenca, Ecuador is described