J Korean Acad Prosthodont.  2017 Jan;55(1):94-99. 10.4047/jkap.2017.55.1.94.

RPD framework fabrication using computer-aided design (CAD) and rapid prototyping

  • 1Department of Prosthodontics, School of Dentistry, Seoul National University, Seoul, Republic of Korea. young21c@snu.ac.kr


Nowadays, digital dentistry is generally applied to prosthodontics with fabrication of inlays or any other fixed prostheses by utilizing CAD/CAM (computer-aided design/computer-aided manufacturing) technology and intraoral scanner. However, in fabricating removable prosthesis, there are some limitations for digital technology to substitute conventional casting method. Therefore, approaching removable prostheses fabrication with CAD/CAM technology would be a meaningful trial. In this case report, Kennedy class III mandibular edentulous patient who was in need of increasing the vertical dimension of occlusion was treated with removable partial denture using CAD and rapid prototyping technique. Surveying and designing the metal framework of the partial denture was performed with CAD, and sacrificial plastic pattern was fabricated with rapid prototyping technique. During the follow up period of nine months, the removable partial denture has provided satisfactory results in esthetics and function.


Computer-aided design (CAD); Rapid prototyping; Removable partial denture
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