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KMID : 0362420180560040368
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Journal of Korean Academy of Prosthodontics
2018 Volume.56 No. 4 p.368 ~ p.374
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Causes of failed implant attachments and application of double crown implant overdenture in one patient
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Kwon Jae-Uk
Cho Jin-Hyun
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Abstract
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In this case, the patient was restored with gold Hader bar mandibular implant overdenture using two implants about 10 years ago, and the retentive force was lost due to severe wear of the bar due to 3.5 years use. The overdenture was repaired using a Locator attachment, but the male part was completely worn after 6.5 years use. Finally, we used a hybrid telescopic double crown with a friction pin to fabricate a new implant overdenture, which was observed for 2 years and showed excellent prognosis. So, we describe the cause of failure of each attachment (Gold Hader bar, Locator) in two implant overdentures and report on the advantages and disadvantages of double crown implant overdenture and the conditions for success.
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KEYWORD
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Implant, Attachment, Overdenture, Double crown, Telescopic crown
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