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KMID : 1036420170100020074
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대한치의학회 영문학회지
2017 Volume.10 No. 2 p.74 ~ p.81
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Considerations for the Survival of Complete Arch Implant-Supported Zirconia Restorations - Status of Antagonistic Arches and Stress Distribution on Frameworks: A Case Report
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Choi Jung-Yoo
Sim Jae-Hyuk
Yeo In-Sung Luke
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Abstract
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This report describes two cases of complete arch implant-supported restorations. The first patient had seven dental implants in each arch with monolithic zirconia frameworks. At four weeks’ follow-up, the one-piece maxillary framework was fractured, which was re-designed and re-fabricated using laser-sintered cobalt-chrome alloy. The second patient had four implants in the mandible only. A mandibular monolithic zirconia framework and a maxillary conventional complete denture were fabricated and delivered. At five years’ follow-up, the patient reported no significant discomfort. Careful consideration and monitoring of the status of antagonistic arches and stress distribution on zirconia frameworks were suggested for complete arch implant-supported fixed restorations.
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KEYWORD
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Dental arch, Dental stress analysis, Edentulous mouth, Implant-supported dental prosthesis, Yttriastabilized tetragonal zirconia
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