The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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Burnishing effect on marginal misfit of implant-supported screw-and-cement retained prostheses: A case report

임플란트 지지 나사-시멘트 유지형 보철물에서 보철물-지대주 제거 후 변연부 연마의 효과: 증례보고

  • Kim, Mijoo (Department of Prosthodontics, School of Dentistry, Kyungpook National University) ;
  • Lee, Du-Hyeong (Department of Prosthodontics, School of Dentistry, Kyungpook National University)
  • 김미주 (경북대학교 치과대학 치과보철학교실) ;
  • 이두형 (경북대학교 치과대학 치과보철학교실)
  • Received : 2020.03.03
  • Accepted : 2020.06.02
  • Published : 2020.07.31
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Abstract

When the marginal fit of fixed dental prosthesis decreases, biological and technical complications, such as plaque accumulation, periodontal disease, hypersensitivity, components fracture, cement loss, can happen. The complications affect the long-term success and survival of prostheses. This case report describes a clinical procedure to minimize the marginal gap of implant-supported screw-and-cement retained prosthesis by removing prosthesis-abutment complex and burnishing the interface area. The marginal gap was measured before and after the burnishing using a stereomicroscope and compared. This technique improves the marginal fit, thereby contributing the longevity of the prosthesis.

고정성 보철물의 변연 적합도가 낮은 경우 치태침착, 치주질환, 치아과민, 보철물 구성요소 파절, 시멘트 상실 등의 생물학적, 기계적 합병증이 발생할 가능성이 증가할 수 있다. 이러한 합병증은 보철물의 장기간의 성공과 생존에 영향을 미친다. 본 증례는 임플란트 지지 나사-시멘트 유지형 보철물에서 보철물 장착 시 보철물-지대주를 제거하고 변연부를 연마하여 변연간극을 최소화할 수 있는 임상과정을 보여준다. 그리고 변연 간극을 연마 전과 후에 측정하여 비교 관찰하였다. 본 기술은 변연 적합도를 높여 보철물의 수명 연장에 기여할 수 있다.

Keywords

References

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