The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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Titanium-zirconium alloy narrow-diameter implants for the rehabilitation of horizontally deficient mandibular posterior edentulous ridges

좁은 치조제를 가진 하악 구치부에서 지르코늄-티타늄 합금의 작은 직경 임플란트 사용 증례

  • Lee, In Hye (Department of Prosthodontics, School of Dentistry, Yonsei University) ;
  • Park, Young Bum (Department of Prosthodontics, School of Dentistry, Yonsei University) ;
  • Han, Dong-Hoo (Department of Prosthodontics, School of Dentistry, Yonsei University)
  • 이인혜 (연세대학교 치과대학 치과보철학교실) ;
  • 박영범 (연세대학교 치과대학 치과보철학교실) ;
  • 한동후 (연세대학교 치과대학 치과보철학교실)
  • Received : 2016.11.01
  • Accepted : 2017.02.07
  • Published : 2017.04.28
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Abstract

In case of the insufficient horizontal bone loss, a regular diameter implant is not possible without lateral bone augmentation. In this situation, narrow diameter implants (NDIs) could be the alternative to lateral bone augmentation procedures. However, complication generally expected with the NDI is implant fracture. Recently, the survival rate and success rate of NDI in the posterior region are similar to that of standard-diameter implants (SDIs). These 3 case reports demonstrate the incorporation of NDI to replace missing mandibular posterior teeth. So far, the follow-up examination period was maintained and no unusual complications were presented for more than four years. Long term follow-up clinical data are needed to confirm the excellent clinical performance of these implants.

임플란트의 협설 측으로 잔존 골조직이 불충분할 경우 골증대술을 시행하지 않기 위해서는 작은 직경의 임플란트를 사용할 수 있다. 작은 직경 임플란트의 경우는 파절 저항성이 낮고, 골과 임플란트의 접촉 면적이 좁아 구치부에는 부적절한 것으로 여겨져 왔다. 최근의 연구에서는 새로운 임플란트 합금의 개발 및 표면 처리방법의 발전으로 구치부에서도 표준 직경 임플란트와 유사한 성공률이 보고되고 있다. 이 증례에서는 구치부 상실 부위 잔존골의 협설 폭이 부족한 상황에서 작은 직경 임플란트를 이용하여 심미적, 기능적으로 만족스러운 치료 결과를 보였다. 현재까지 추적 검사 기간은 4년 이상 되었고 특이할만한 합병증 없이 유지되었다. 향후 장기적인 안정성에 대한 추가적인 연구가 필요할 것으로 사료된다.

Keywords

References

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