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고정성 임플란트 보철물을 이용한 완전 무치악 환자의 구강회복 증례

Full mouth rehabilitation of edentulous patient with fixed implant prosthesis

  • 신희현 (서울아산병원 치과 보철과) ;
  • 김종진 (서울아산병원 치과 보철과) ;
  • 백진 (서울아산병원 치과 보철과) ;
  • 차현석 (서울아산병원 치과 보철과, 울산대학교 의과대학) ;
  • 이주희 (서울아산병원 치과 보철과, 울산대학교 의과대학)
  • Shi, Hee-Hyun (Divison of Prosthodontics, Department of Dentistry, Asan Medical Center) ;
  • Kim, Jong-Jin (Divison of Prosthodontics, Department of Dentistry, Asan Medical Center) ;
  • Baik, Jin (Divison of Prosthodontics, Department of Dentistry, Asan Medical Center) ;
  • Cha, Hyun-Suk (Divison of Prosthodontics, Department of Dentistry, Asan Medical Center, College of Medicine, University of Ulsan) ;
  • Lee, Joo-Hee (Divison of Prosthodontics, Department of Dentistry, Asan Medical Center, College of Medicine, University of Ulsan)
  • 투고 : 2021.07.23
  • 심사 : 2021.08.25
  • 발행 : 2021.09.30

초록

완전 무치악 환자의 구강 회복은 통상적 총의치, 하이브리드 보철물, 임플란트 지지 고정성 보철물 등 다양한 치료 옵션을 통해 이루어질 수 있다. 전악 임플란트 고정성 보철 수복의 경우 가철성 수복과 비교해 최종적인 보철물의 형태를 고려하여 정확한 위치에 임플란트를 식립해야 한다는 어려움이 따른다. 본 증례에서는 치아우식과 만성 치주염으로 전악 발거를 요하는 환자의 전악 임플란트 고정성 수복을 진행하였다. 임플란트 식립 단계에서 최종 보철물 형태를 고려하여 제작된 수술용 가이드를 이용하여 원하는 위치에 임플란트를 식립 하였으며 고정성 임시 수복물 단계에서 수정 및 재제작을 통해 기능과 심미를 평가하였다. 이렇게 제작된 임시 수복물을 바탕으로 금속 도재관의 최종 수복물을 장착하였다. 나사 풀림 및 도재 파절 등의 합병증에 대처하기 위해 구치부의 경우 나사 유지형 보철물, 전치부는 나사 시멘트 유지형 보철물로 제작하였다. 그 결과 환자는 최종 보철물 장착 후 기능적 심미적 측면에서 개선된 예후를 보였다.

There are various treatment options such as conventional complete denture, hybrid prosthesis and implant-supported fixed prosthesis for fully edentulous patients. In case of implant-supported fixed prosthesis, compared to removable prosthesis, it is difficult to place the implant in the correct position considering the anatomical contours of the final prosthesis. In this case, a full mouth rehabilitation with implant-supported fixed prosthesis was performed for a patient who required extraction of all remaining teeth due to dental caries and chronic periodontitis. In the implant placement stage, the implant was placed in the desired position using a surgical guide fabricated considering the anatomical contours of the final prosthesis, and the function and esthetics were evaluated through correction and re-fabrication of the fixed provisional restoration. A final restoration of porcelain fused to gold prosthesis was delivered to the patient based on the provisional restoration. To cope with complications such as loosening of screws and fracture of porcelain, a screw-retained type prosthesis was fabricated for the posterior part and a screw-cement-retained type prosthesis for the anterior part. As a result, the patient showed an improved prognosis in terms of functional and esthetics after the final prosthesis was delivered.

키워드

참고문헌

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