The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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A case of oral rehabilitation in a patient with severe tooth wear and occlusal plane collapse, utilizing maxillary fixed prosthesis and mandibular implant-assisted removable partial denture

과도한 치아 마모와 교합평면 붕괴를 보이는 환자에서 상악 고정성 보철 및 하악 임플란트 보조 국소의치를 통한 구강회복 증례

  • Jae-Hyung Ahn (Department of Prosthodontics, Veterans Health Service Medical Center) ;
  • Sung-Yong Kim (Department of Prosthodontics, Veterans Health Service Medical Center) ;
  • Seong-A Kim (Department of Prosthodontics, Veterans Health Service Medical Center) ;
  • Yong-Sang Lee (Department of Prosthodontics, Veterans Health Service Medical Center) ;
  • Keun-Woo Lee (Department of Prosthodontics, Veterans Health Service Medical Center) ;
  • Hee-Won Jang (Department of Prosthodontics, Veterans Health Service Medical Center)
  • Received : 2023.10.12
  • Accepted : 2023.11.06
  • Published : 2024.04.30
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Abstract

In patients with multiple missing molars, wear patterns or displacement of anterior teeth, collapsed occlusal plane, and reduction in vertical dimension may occur. Particularly, in case of a few remaining teeth on one side, a removable partial denture has biomechanical disadvantage. For this reason, an implant-assisted removable partial denture with a few implant surveyed crowns can be an alternative. In this case, due to the right mandibular posterior teeth loss, the anterior teeth were severely worn and the occlusal plane was collapsed. With minimal increasing vertical dimension, oral rehabilitation was performed using a maxillary fixed prosthesis and mandibular implant-assisted removable partial denture. As a result, functional and aesthetic clinical outcomes were obtained.

다수의 구치를 상실한 환자에서는 전방부 치아들의 마모나 변위, 교합평면의 붕괴와 교합수직고경의 감소가 일어날 수 있다. 특히 편측으로 소수의 치아만 가진 경우 국소의치는 생역학적으로 불리하므로, 소수의 임플란트 서베이드 크라운을 추가한 임플란트 보조 국소의치가 대안이 될 수 있다. 본 증례의 환자는 하악 우측 구치부 상실로 인해 전방부 치아들이 심하게 마모되고, 교합평면이 붕괴되어 있었다. 최소한의 교합 수직고경 거상과 함께 상악 고정성 보철 및 하악 임플란트 보조 국소의치로 수복을 진행하였고, 기능적 및 심미적으로 양호한 임상 결과를 얻을 수 있었다.

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References

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