The Journal of the Korean dental association (대한치과의사협회지)

The Korean Dental Association (대한치과의사협회)
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A retrospective randomized study of success rates according to abutment selection in DENTIS submerged implant with an internal hex connection

DENTIS 내부연결형 서브머지드 임플란트에서 지대주 선택에 따른 성공률의 후향적 연구

  • Kim, Eun-Hee (Department of Prosthodontics, Dong-a University) ;
  • Lee, Joeng-Eun (Department of Prosthodontics, Dong-a University) ;
  • Hwang, Hee-Seong (Department of Prosthodontics, Dong-a University) ;
  • Kim, Chul-Hoon (Department of Oral and Maxillofacial Surgery, Implant Clinics, Dong-a University) ;
  • Kim, Jung-Han (Department of Oral and Maxillofacial Surgery, Implant Clinics, Dong-a University) ;
  • Kim, Bok-Joo (Department of Oral and Maxillofacial Surgery, Implant Clinics, Dong-a University)
  • 김은희 (동아대학교의료원 치과보철과) ;
  • 이정은 (동아대학교의료원 치과보철과) ;
  • 황희성 (동아대학교의료원 치과보철과) ;
  • 김철훈 (동아대학교의료원 구강악안면외과) ;
  • 김정한 (동아대학교의료원 구강악안면외과) ;
  • 김복주 (동아대학교의료원 구강악안면외과)
  • Received : 2018.05.10
  • Accepted : 2018.08.28
  • Published : 2018.10.31
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Abstract

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 single-implant 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.

Keywords

References

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