Retrospective study on ITI SLA (sand-blasted, large-grit, acid-etched) implant for mandibular posterior single tooth replacement

하악 구치부에서 ITI SLA (Sand-blasted, Large-grit, Acid-etched) 임플란트를 이용한 단일 치아 수복의 후향적 임상 연구

  • Lee, Seung-Mun (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Chae, Gyung-Joon (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Jung, Ui-Won (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Kim, Chang-Sung (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Choi, Seong-Ho (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Cho, Kyoo-Sung (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Kim, Chong-Kwan (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration) ;
  • Chai, Jung-Kyu (Department of Periodontology, College of Dentistry, Yonsei University, Reasearch Institute for Periodontal Regeneration)
  • 이승문 (연세대학교 치과대학 치주과학교실) ;
  • 채경준 (연세대학교 치과대학 치주과학교실) ;
  • 정의원 (연세대학교 치과대학 치주과학교실) ;
  • 김창성 (연세대학교 치과대학 치주과학교실) ;
  • 최성호 (연세대학교 치과대학 치주과학교실) ;
  • 조규성 (연세대학교 치과대학 치주과학교실) ;
  • 김종관 (연세대학교 치과대학 치주과학교실) ;
  • 채중규 (연세대학교 치과대학 치주과학교실)
  • Published : 2006.09.30

Abstract

The purpose of this study was to evaluate cumulative survival rate (CSR, %) of mandibular posterior single tooth implants replaced with ITI SLA (sand-blasted, large-grit, acid-etched) implant system and compare the CSR between first and second molar. The findings from the results were as follows; 1. Total of 158 implants were inserted into 147 patients. 68 patients were males, 79 patients were females and their mean age was 47.8 years. 98 implants were placed in first molar area and 60 implants were placed in second molar area. In terms of diameter, implants with wide diameter over 4.8mm dominated (91.1%). Implants with length over lOmm were used (96.2%). 2, In the two cases, there was a slight transient numbness which recovered within 1-2 months. Nine SynOcta screw type abutments demonstrated screw loosening, There were ten cases of crown fallen-out from decementation. 3. Only one failed out of 158 implants. The CSR was 99.4%. The CSRs for first molar and second molar were 99% and 100%, respectively. From the results, it was concluded that single tooth replacement implant in the mandibular posterior area, might be considered as the effective treatment modality comparable to the conventional crown and bridge.

Keywords

References

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