Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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The seven-year cumulative survival rate of Osstem implants

  • Kim, Young-Kyun (Department of Oral and Maxillofacial Surgery, Seoul National University Bundang Hospital) ;
  • Kim, Bum-Su (Department of Oral and Maxillofacial Surgery, Seoul National University Bundang Hospital) ;
  • Yun, Pil-Young (Department of Oral and Maxillofacial Surgery, Seoul National University Bundang Hospital) ;
  • Mun, Sang-Un (Department of Orthodontics, Seoul National University Bundang Hospital) ;
  • Yi, Yang-Jin (Department of Prosthodontics, Section of Dentistry, Seoul National University Bundang Hospital) ;
  • Kim, Su-Gwan (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Jeong, Kyung-In (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University)
  • Received : 2014.01.29
  • Accepted : 2014.04.05
  • Published : 2014.04.30
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Abstract

Objectives: This study was performed to analyze the cumulative survival rate of Osstem implants (Osstem Implant Co., Ltd.) over a seven-year period. Materials and Methods: A total of 105 patients who had 467 Osstem implants that were placed at the Section of Dentistry, Seoul National University Bundang Hospital (Seongnam, Korea) from June 2003 through December 2005 were analyzed. The life table method and a cross-tubulation analysis, log rank test were used to evaluate the survival curve and the influence that the prognostic factors. The prognostic factors, i.e., age and gender of patients, diameter and length, type of implants, bone graft history and loading time were determined with a Cox proportional hazard model based on logistic regression analysis. Results: The seven-year cumulative survival rate of Osstem implants was 95.37%. The Cox proportional hazard model revealed that the following factors had a significant influence on survival rate; increased diameter, reduced prosthetic loading period and performance of bone grafting. Conclusion: The osstem implants showed satisfactory results over the seven-year study period.

Keywords

References

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