The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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Full mouth rehabilitation using 3D printed crowns and implant assisted removable partial denture for a crossed occlusion: a case report

3D 프린팅 금관과 임플란트 보조 국소의치를 이용한 엇갈린 교합의 전악 수복 증례

  • Sung-Hoon Lee (Department of Prosthodontics, School of Dentistry, Seoul National University) ;
  • Seong-Kyun Kim (Department of Prosthodontics, School of Dentistry, Seoul National University) ;
  • Seong-Joo Heo (Department of Prosthodontics, School of Dentistry, Seoul National University) ;
  • Jai-Young Koak (Department of Prosthodontics, School of Dentistry, Seoul National University) ;
  • Ji-Man Park (Department of Prosthodontics, School of Dentistry, Seoul National University)
  • 이승훈 (서울대학교 치의학대학원 치과보철학교실) ;
  • 김성균 (서울대학교 치의학대학원 치과보철학교실) ;
  • 허성주 (서울대학교 치의학대학원 치과보철학교실) ;
  • 곽재영 (서울대학교 치의학대학원 치과보철학교실) ;
  • 박지만 (서울대학교 치의학대학원 치과보철학교실)
  • Received : 2023.08.08
  • Accepted : 2023.09.04
  • Published : 2023.10.31
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Abstract

With the recent development of computer-aided design-computer-aided manufacturing technology and 3D printing technology, and the introduction of various digital techniques, the accuracy and efficiency of top-down definitive prosthetic restoration are increasing. In this clinical case, stable occlusion support was obtained through the placement of a total of 9 maxillary and mandibular posterior implants in patient with anterior-posterior crossed occlusion. The edentulous area of the maxillary anterior teeth, which showed a tendency of high resorption of the residual alveolar bone, was restored with a Kennedy Class IV implant assisted removable partial denture to restore soft tissue esthetics. Computed tomography guided surgery was used to place implants in the planned position, double scan technique was used to reflect the stabilized occlusion in the interim restoration stage to the definitive prostheses, and metal 3D printing was used to manufacture the coping and framework. This clinical case reports that efficient and predictable top-down full mouth rehabilitation was achieved using various digital technologies and techniques.

최근 CAD-CAM (computer-aided design-computer-aided manufacturing) 기술 및 3D 프린팅 기술의 발전과 함께 다양한 디지털 기법들의 도입으로 top-down 방식의 최종 보철 수복의 정확성과 효율성이 증대되고 있다. 본 증례는 전후 엇갈린 교합을 가진 환자에서 총 9개의 상하악 구치부 임플란트 식립을 통해 안정적인 교합 지지를 얻으면서 잔존 치조골의 고도 흡수 경향을 보인 상악 전치부 무치악 부위는 케네디 4급 임플란트 보조 국소의치로 수복함으로써 연조직의 심미성을 회복하였다. 전산화단층촬영 가이드 수술로 계획된 위치에 임플란트를 식립하고, 이중 스캔 기법으로 임시 수복 단계에서 안정화된 교합을 최종 보철물에 반영하며, 코핑과 프레임워크를 금속 3D 프린팅으로 제작하여 효율적이며 예측 가능한 top-down 방식의 전악 구강 수복을 달성하였기에 이를 보고하고자 한다.

Keywords

Acknowledgement

This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2018R1D1A1B07042333) and by the Korea Medical Device Development Fund grant funded by the Korea government (the Ministry of Science and ICT, the Ministry of Trade, Industry and Energy, the Ministry of Health & Welfare, Republic of Korea, the Ministry of Food and Drug Safety) (project number: 202011A02).

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