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KMID : 1036420220150010084
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대한치의학회 영문학회지
2022 Volume.15 No. 1 p.84 ~ p.91
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A Digitally Designed All-on-4 Restoration with Screwmentable Concept
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Park Koung-Jin
Han Jung-Suk
Lee Jae-Hyun
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Abstract
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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 cementretained 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.
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KEYWORD
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Computer-aided design, Computer-aided manufacturing, Dental prosthesis retention, Implant supported denture, Prosthesis design
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