Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
권호 표지

Evaluation of Tightness of Proximal tooth Contact on Implant Prostheses

임프란트 보철수복물에서의 인접치간 접촉강도의 평가

  • Kim, Sang-Pil (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Jung, J-Hyun (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Kang, Dong-Wan (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Oh, Sang-Ho (Department of Prosthodontics, School of Dentistry, Chosun University)
  • 김상필 (조선대학교 치과대학 치과보철학교실) ;
  • 정재현 (조선대학교 치과대학 치과보철학교실) ;
  • 강동완 (조선대학교 치과대학 치과보철학교실) ;
  • 오상호 (조선대학교 치과대학 치과보철학교실)
  • Received : 2008.09.15
  • Accepted : 2008.12.25
  • Published : 2008.12.30
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Abstract

The aim of this study was to evaluate the tightness of proximal tooth contact(TPTC) using a novel device at rest state on implant prostheses. Ten healthy young adults with class I normal occlusion consented to participate in the study and twenty patients were restored with a total 20 single-implant crowns in the left maxillary and mandibular second molars for 10 single-implant crowns, respectively. Test area were divided by 4 groups. UM describes the contact between the upper natural left first molar and natural second molar; LM the contact between the lower natural left first molar and natural second molar; IUM the contact between the upper natural left first molar and implant second molar and ILM the contact between the lower natural left first molar and implant second molar. The TPTC was measured at rest state in each area. The mean TPTC of the UM, LM, IUM and ILM was 1.48(${\pm}0.44$) N, 1.78(${\pm}0.40$) N, 1.14(${\pm}0.37$) N and 1.30(${\pm}0.32$) N respectively. These results indicate that the TPTC was less between natural tooth and implant prosthesis than between natural teeth.

본 연구의 목적은 안정 시, 임프란트 보철물과 자연치 사이의 인접치간 접촉강도를 평가하는 것이다. 좌측 상악 또는 하악 제2대구치에 단독으로 임프란트가 식립되어 보철물이 장착되어 있는 20명의 피험자를 임프란트 군으로, 좌측 상하악 제1대구치와 제2대구치 사이의 인접부위에 수복물이 없는 10명의 피험자를 대조군으로 나누어 교합력이 작용하지 않는 안정상태에서 인접치간 접촉강도를 평가하였다. 자연치 사이의 인접치간 접촉강도가 전반적으로 높게 나타났고, 특히 하악에서는 통계적으로 유의한 차이를 보였다. 임프란트 보철물에 있어서 인접치간 접촉을 좀 더 강하게 부여할 필요가 있음이 시사되었고 또한 자연치아와 임프란트 보철물사이의 경시적 변화에 따른 인접접촉강도의 변화를 평가할 필요가 있음이 시사되었다.

Keywords

Acknowledgement

Supported by : 한국학술진흥재단

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