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http://dx.doi.org/10.4047/jkap.2022.60.2.202

Fabrication of complete denture using 3D printing: a case report  

Lee, Eunsu (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Park, Chan (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Yun, Kwidug (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Lim, Hyun-Pil (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Park, Sangwon (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Publication Information
The Journal of Korean Academy of Prosthodontics / v.60, no.2, 2022 , pp. 202-210 More about this Journal
Abstract
Recently with the advance in digital dentistry, the fabrication of dentures using computer-aided design and computer-aided manufacturing (CAD-CAM) is on the rise. The denture designed through a CAD software can be produced in a 3-dimensional manufacturing process. This process includes a subtractive processing method such as milling and an additive processing method such as 3D printing and in which it can be applied efficiently in more complex structures. In this case, complete dentures were fabricated using Stereolithography (SLA)-based 3D printing to shorten the production time and interval of visits in patient with physical disabilities due to cerebral infarction. For definitive impression, the existing interim denture was digitally replicated and used as an individual tray. The definitive impression obtained with polyvinyl siloxane impression material was including information about the inclination and length of the maxillary anterior teeth, vertical dimension, and centric relation. In addition, facial scan data with interim denture was obtained so that it can be used as a reference in determination of the occlusal plane and in arrangement of artificial teeth during laboratory work. Artificial teeth were arranged through a CAD program, and a gingival festooning was performed. The definitive dentures were printed by SLA-based 3D printer using a FDA-approved liquid photocurable resin. The denture showed adequate retention, support, and stability, and results were satisfied functionally and aesthetically.
Keywords
3D printing; Complete denture; Computer-aided design-Computer-aided manufacturing (CAD-CAM);
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