A Digital Workflow for the Fabrication of a Milled Removable Partial Denture

Xing-Yu Piao, Jeongho Jeon, June-Sung Shim and Ji-Man Park
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Xing-Yu Piao: Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul 03722, Korea
Jeongho Jeon: Central Dental Laboratory, College of Dentistry, Yonsei University, Seoul 03722, Korea
June-Sung Shim: Department of Prosthodontics, College of Dentistry, Yonsei University, Seoul 03722, Korea
Ji-Man Park: Department of Prosthodontics & Dental Research Institute, Seoul National University, Seoul 03080, Korea

IJERPH, 2022, vol. 19, issue 14, 1-7

Abstract: Complete dentures fabricated with the additive or subtractive method have been widely used and proven to be clinically acceptable. However, fabrication of removable partial dentures (RPDs) using computer-aided design and computer-aided manufacturing is limited by its technique sensitivity as the pink resin, which encases part of metal framework, cannot be fabricated digitally. This article introduces a digital workflow to fabricate an RPD with the subtractive method. A complex structure of the offset metal framework and denture base with teeth sockets was milled with this technique. Artificial teeth were milled with a resin disk according to the computer-aided design data, resulting in the customized occlusal surface. This digital technique can be an alternative to the analog fabrication method as the RPD was fabricated digitally, keeping the original structures and reducing resin shrinkage on the intaglio surface.

Keywords: CAD?CAM; digital manufacture; metal substructure; removable partial denture (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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