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KMID : 0362720180560110605
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Journal of the Korean Dental Association
2018 Volume.56 No. 11 p.605 ~ p.614
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A retrospective randomized study of success rates according to abutment selection in DENTIS submerged implant with an internal hex connection
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Kim Eun-Hee
Lee Joeng-Eun
Hwang Hee-Seong
Kim Cheol-Hun
Kim Jung-Han
Kim Bok-Joo
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Abstract
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PURPOSE: The purpose of this study is to determine the efficacy of the DENTIS submerged-type implant with an internal hex connection and to build corresponding abutment-selection criteria.
MATERIAL AND METHODS: A total of 204 patients received submerged implant fixtures with an internal hex connection at the Dong-A University Hospital Dental clinic in Busan from January 2013 and May 2016. Three specific abutments, UCLA abutments, customized abutments, ready-made abutments, were randomly selected. Implant success was defined as the basis of the International Congress of Oral Implantologists(ICOI, 2007) criteria. The relationship between the implant success rate and the abutment factor was analyzed using the Kruskal-Wallis test(P<.05).
RESULTS: A total of 508 implants were placed in 204 patients. After a mean observation period of 38.6 months, 493 out of 508 implants were in normal function, yielding an overall success rate of 97.05%. A total of 15 implants failed: 10 in the maxillary molar area, 4 in the mandibular molar area, and 1 in the mandibular incisal area. All of the implant failures occurred in a singleimplant prosthesis, especially high in the maxillary molar area. The Kruskal-Wallis analysis showed that abutment selection has no significant correlation with implant failure(P>.05).
CONCLUSION: DENTIS submerged implants with an internal hex connection showed predictable results with a success rate of 97.05%. It is no influence on the success rate in the selection of submerged implant abutment with an internal hex connection.
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KEYWORD
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Dental implants , Survival rate , Dental implant-abutment design
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