Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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Retrospective Evaluation of Implant Retained Overdentures Using Two Implants and Locator Attachments in the Edentulous Mandibles

Locator attachment를 이용한 하악 임플란트 유지 피개의치의 후향적 평가

  • Lee, Ju-Hyoung (Department of Dentistry, School of Medicine, Catholic University of Daegu) ;
  • Sohn, Dong-Seok (Department of Dentistry, School of Medicine, Catholic University of Daegu) ;
  • Lee, Cheong-Hee (Department of Prosthodontics, School of Dentistry, Kyungpook National University)
  • 이주형 (대구가톨릭의과대학 치과학교실) ;
  • 손동석 (대구가톨릭의과대학 치과학교실) ;
  • 이청희 (경북대학교 치의학전문대학원 치과보철학교실)
  • Received : 2013.04.21
  • Accepted : 2013.06.25
  • Published : 2013.06.30
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Abstract

This study compared the marginal bone loss around dental implants that were placed in the canine areas of the mandibles and finded the survival rate of the implants, marginal bone loss around implants and prosthetic complications in 20 patients treated with overdentures retained with Locator attachments. Implants placed in this study showed a 95% survival rate and the average marginal bone loss was 1.21 mm($SD{\pm}0.60mm$) in 94.3 weeks of functional loading. Implant-retained overdentures had various prosthetic complications such as male change, metal cap loosening, Locator attachment loosening, denture teeth change, relining and denture fracture. Implant-retained overdentures using two implants and Locator attachments in the edentulous mandibles is considered as a stable way for long terms because of minimal invasive operation, simple prosthetic process and easy repair.

이번 연구는 2개의 임플란트 식립 후 로케이터를 이용한 하악 임플란트 유지 피개의치를 한 20명의 환자를 대상으로 임플란트 생존율, 변연골 흡수량, 보철적 합병증을 알아보았다. 진료 기록부를 조사하고 방사선 사진을 계측하여 후향적 임상연구를 하였으며, 임플란트는 95%의 누적 생존율을 보였고, 평균 94주 후 방사선 사진에서 임플란트는 평균 1.21 mm($SD{\pm}0.20mm$)의 골소실을 보였다. 보철적 합병증으로는 피개의치 파절, 의치상 이장 또는 개상, 메일의 탈락 또는 유지력 감소로 인한 메일 교체 등이 있었다. 그러나 의치상 이장 및 개상, 메일 인써트의 간단한 교체로 인해 장기적으로 임플란트 및 임플란트 유지 피개의치가 환자에게 유지되고 있었다. Locator를 이용한 하악 임플란트 유지 피개의치는 최소침습적인 수술, 간단한 보철 과정 및 수리 과정의 장점으로 인해 장기적으로 안정적인 치료법으로 사료된다.

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References

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