THE ROLE OF 3D PRINTING IN MAXILLOFACIAL PROSTHETICS

Abstract

This paper examines the impact of 3D printing and digital technologies on maxillofacial prosthodontics, a specialized field dedicated to restoring head and neck defects. The integration of additive manufacturing, computer-aided design (CAD), and three-dimensional scanning promises advancements in prosthetic appearance, attachment, functionality, cost-effectiveness, and durability. The 3D printing process involves obtaining a digital model, slicing it, printing, and post-processing. Materials range from liquid resin-based to solid polymer filaments, with applications in dentistry spanning surgical guides and direct fabrication of crowns. In maxillofacial prosthetics, digital workflows, including Geomagic and Mimics software, enhance precision in intraoral and extraoral prostheses. Challenges in reproducing skin texture persist, with FDM identified as efficient. For intraoral defects, 3D-printed osteotomy guides aid in microvascular graft harvesting, while surgical guides assist in implant rehabilitation. 3D printing is crucial in creating obturators for maxillectomy patients, and patient-specific brachytherapy appliances minimize radiation exposure. The demand for 3D-printed metal implants in maxillofacial and orbital reconstruction rises, offering personalized fits. Customized implants consider mechanical, biological, biomaterial, and manufacturability aspects. In conclusion, the multidimensional approach to maxillofacial prosthetics design, incorporating 3D printing and digital technologies, ensures optimal functionality, comfort, durability, and aesthetics. This represents a significant leap forward, promising improved patient outcomes and an enhanced quality of life in this specialized field.