The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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Radiographic evaluation of marginal bone level alteration around narrow implants placed in narrow alveolar ridge using guided flapless surgery

폭이 좁은 치조골에서 컴퓨터가이드를 이용한 무절개 임플란트 수술로 식립한 narrow implant의 방사선학적 평가

  • Jeong, Seung-Mi (Department of Prosthodontics, Wonju College of Medicine, Yonsei University) ;
  • Choi, Byung-Ho (Department of Oral and Maxillofacial Surgery, Wonju College of Medicine, Yonsei University)
  • 정승미 (연세대학교 원주세브란스기독병원 치과보철과) ;
  • 최병호 (연세대학교 원주세브란스기독병원 구강악안면외과)
  • Received : 2020.07.13
  • Accepted : 2020.10.05
  • Published : 2020.10.30
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Abstract

Purpose: The aim of this study was to compare radiographic outcomes around narrow-diameter implants placed using guided flapless surgery at longer than 6 month post-placement. Materials and methods: A total of 12 implants were assessed in 12 patients for the sites where 0.5 - 1.5 mm labial bone was covering the implants, using CBCT. Results: A statistically significant preservation of crestal bone was observed in the narrow-diameter implants. Conclusion: Guided flapless implant surgery may be important in preventing bone loss around the narrow-diameter implants that are placed in narrow alveolar ridges.

목적: 본 연구의 목적은 골폭이 좁은 치조골을 가진 환자에서 컴퓨터가이드를 이용한 무절개 임플란트 수술로 narrow implant 식립 후 최소 6개월 이상 경과한 환자를 대상으로 임플란트 주변의 골소실 예후를 평가하는데 있다. 재료 및 방법: 2017년 1월 1일부터 2019년 6월 30일 사이에 내원한 환자 중 임플란트 순측을 덮고 있는 치조골의 두께가 0.5 mm에서 1.5 mm 사이인 12명의 환자(12개 narrow implant)에서 CBCT를 이용하여 임플란트 순측에 남아 있는 치조골을 평가하였다. 결과: 임플란트를 덮고있는 순측 치조골의 폭이 아주 얇았지만, 수술 즉시 임시보철물을 장착후 6개월 이상 지난 임플란트의 CBCT를 촬영하여 식립전과 식립후 치조골 변화에 대한 방사선학적 평가에서 임플란트의 순측 치조골이 안정적으로 유지됨이 관찰되었다. 결론: 컴퓨터가이드를 이용한 무절개 임플란트 수술은 전치부에 골폭이 좁은 치조골을 가진 환자에서 임플란트 주변의 골소실을 방지하는데 유리함으로 narrow implant와 함께 유용하게 사용할 수 있는 방법으로 생각된다.

Keywords

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