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Rehabilitation with implant-supported fixed dental prostheses using digital duplication technique on customized artificial tooth, interim denture and implant surgical template: A case report

디지털 복제로 만든 맞춤형 인공치로 제작한 임시의치와 임플란트 수술용 템플릿을 통한 임플란트 지지형 고정성 보철 수복 증례

  • Jeong, Dae Gil (Department of Prosthodontics, School of Dentistry, Yonsei University) ;
  • Oh, Kyung Chul (Department of Prosthodontics, School of Dentistry, Yonsei University) ;
  • Shim, June Sung (Department of Prosthodontics, School of Dentistry, Yonsei University) ;
  • Park, Ji-Man (Department of Prosthodontics, School of Dentistry, Yonsei University)
  • 정대길 (연세대학교 치과대학 치과보철학교실) ;
  • 오경철 (연세대학교 치과대학 치과보철학교실) ;
  • 심준성 (연세대학교 치과대학 치과보철학교실) ;
  • 박지만 (연세대학교 치과대학 치과보철학교실)
  • Received : 2019.05.23
  • Accepted : 2019.07.11
  • Published : 2019.10.31

Abstract

Bone and soft tissue conditions are important for successful implant treatment. But, the placement itself is also very important. Implants which is installed in the wrong position result in the biological, esthetical and mechanical problems. In order to place an implant in the correct position, the final restoration and diagnostic wax-up should be considered prior to the surgery. If the artificial teeth for the interim denture are directly transferred from the diagnostic wax-up, the operator can try the form of diagnostic wax-up in the mouth. If the surgical template is produced by duplicating the interim denture, the implant can be placed in the planned position. In this case, the polymethyl methacrylate (PMMA) artificial tooth was precisely milled by the digital duplication of diagnostic wax-up. And interim denture was fabricated by using these milled teeth. After the patient adapted for a sufficient period, the implant was placed at the planned position with surgical template produced by duplicating the interim denture. After confirming sufficient osseointegration, the final prostheses were made to reflect the shape of diagnostic wax-up. Through this procedure, the satisfactory functional and esthetic outcome could be acquired.

성공적인 임플란트 치료를 위해서는 식립부위의 골조직 및 연조직 상태(condition)도 중요하지만 식립 위치 또한 매우 중요하다. 잘못된 위치에 식립된 임플란트는 생물학적, 심미적, 기계적 문제점을 야기하게 된다. 올바른 위치에 임플란트를 식립하기 위해서는 최종 보철물을 고려해야 하며 이를 위해서는 진단 왁스업 과정이 필요하다. 발치 후 사용 할 임시 의치의 인공치를 진단 왁스업 형태대로 제작하면 구강내에서 진단 왁스업 형태를 평가해 볼 수 있으며, 잘 적응된 임시 의치를 복제해 제작한 임플란트 수술용 템플릿으로 계획된 위치에 임플란트를 식립하는 것이 가능하다. 본 증례에서는 진단 왁스업을 디지털 복제하여 의치용 인공치를 맞춤형으로 제작하였고, 이를 이용해 임시 의치를 제작하였다. 충분한 적응 기간을 거친 후 임시 의치를 복제하여 임플란트 수술용 템플릿을 제작한 다음, 이를 활용하여 계획된 위치에 임플란트를 식립하였다. 골유착을 위한 충분한 치유기간을 가진 다음 진단 왁스업 형태가 반영된 임플란트 지지형 고정성 보철물을 제작하였다. 최종 보철물 장착 후 6개월간의 경과 관찰 기간 동안 심미적, 기능적으로 만족할 만한 치료 결과를 보였기에 이를 보고하고자 한다.

Keywords

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