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KMID : 0362420150530010066
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Journal of Korean Academy of Prosthodontics
2015 Volume.53 No. 1 p.66 ~ p.73
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The implant overdenture on the edentulous mandible using CAD/CAM system: A case report
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Lee Si-Eun
Lee So-Hyoun
Jeon You-Jin
Jeon Yun-Kyung
Yun Mi-Jung
Huh Jung-Bo
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Abstract
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Alveolar bone loss and deformation can be a risk factor in removable prosthetic restoration treatment for partially or fully edentulous patients. The use of implants to solve this problem could improve the support, retention and stability of removable restoration. Attachments used in implant overdenture are versatile. The attachment should be selected according to the patients‘ conditions. Milled bar has been chosen when readymade bar could not be used because of the narrow distance between implants or firm stability and support of supra-structure were needed. Milled bar design is able to provide cross arch stabilization and comfortability to patients. However, it needs skilled laboratory procedures. Recently, the fabrication of milled bar has become simple and its suitability has been improved through the development of CAD/CAM system. In a 67-year-old female Alzheimer‘s disease patient with 8 implant fixtures on the fully edentulous site of mandible, implant overdenture with using milled bar and magnet attachment was planned. As rapid treatment was required, CAD/CAM system was used to make a simple laboratory procedure instead of a traditional fabrication process. With this system, implant overdenture with milled bar can be fabricated esthetically and functionally.
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KEYWORD
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CAD/CAM, Implant overdenture, Attachment, Cobalt-Chromium Alloys
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