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http://dx.doi.org/10.5856/JKDS.2022.15.1.84

A Digitally Designed All-on-4 Restoration with Screwmentable Concept  

Park, Koungjin (Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University)
Han, Jung-Suk (Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University)
Lee, Jae-Hyun (Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University)
Publication Information
Journal of Korean Dental Science / v.15, no.1, 2022 , pp. 84-91 More about this Journal
Abstract
An all-on-4 restoration allows edentulous patients to use a fixed prosthesis with a minimum number of implants. These implant-supported fixed complete dentures have traditionally been fabricated as screw-retained or cement-retained prostheses. However, it is difficult to passively fit the long-span full-arch prosthesis using the screw-retained type restoration, and predictable retrievability is not obtained with the cement-retained type. This case report describes a prosthesis fabricated using a combination of the two retention types. The screwmentable method allows the implant-supported fixed complete denture to achieve a passive fit at the connection with retrievability. In addition, a framework with an optimized size was designed by using digital dental technology.
Keywords
Computer-aided design; Computer-aided manufacturing; Dental prosthesis retention; Implant supported denture; Prosthesis design;
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Times Cited By KSCI : 1  (Citation Analysis)
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