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KMID : 0362720170550070457
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Journal of the Korean Dental Association
2017 Volume.55 No. 7 p.457 ~ p.466
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Reconstruction of failed fixed implant prosthesis accompanied by abutment screw loosening and fracture : A case report
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Bae Eun-Bin
Shin Young-Gun
Jeon Young-Chan
Jeong Chang-Mo
Yun Mi-Jung
Lee So-Hyoun
Huh Jung-Bo
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Abstract
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In the case of failed fixed implant prosthesis accompanied by abutment screw fracture, fractured screw fragment must be
removed to use the existing implant fixtures. A 61-year-old male patient, who had a failed maxillary fixed implant prosthesis accompanied by three abutment screw fracture, hoped to reconstruct the maxillary implant prosthesis, while maintaining the existing implant fixtures. To use the existing implant fixtures, fractured screw fragments were removed. A maxillary implant overdenture using available existing implants was planned. Bar-attachment with Locator was used for implant splinting, denture stability, and retention. Final impression was taken after treatment of peri-implantitis. Jaw relation registration was taken to evaluate available interarch space for bar-attachment. After fabricating bar-attachment, centric relation was taken. Implant overdenture using bar-attachment with Locator was delivered after wax-denture evaluation. This case report showed that a satisfactory clinical result was achieved by implant overdenture using existing implant fixtures in a maxillary edentulous patient.
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KEYWORD
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edentulous maxilla, screw loosening, screw fracture, implant overdenture
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