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논문 상세정보

임프란트 고정체와 지대주 직경의 차이가 응력분포에 미치는 영향

THE EFFECT OF THE DIFFERENCE OF THE IMPLANT FIXTURE AND ABUTMENT DIAMETER FOR STRESS DISTRIBUTION

Abstract

Statement of problem : Stress concentration on the neck bone affects the bone resorption, and finally the implant survival. Purpose: In order to examine the stress distribution on the neck bone and prosthesis abutment for implants, decreasing abutment sizes were used. Material and methods : Axisymmetric models were used to obtain the data required. These models were composed of 4mm implants with 3.4mm and 4mm abutments, 5mm implants with 3.4mm and 5mm abutments and 6mm implants with 3.4mm and 6mm abutments. All abutments were designed to received a 10mm high by 10mm diameter gold crown. Functional element analysis was used to obtain these results using data that consisted of 50 N vertical and 45 degree inclination forces. Results : 1. Changing the diameter of the abutment on the implant affects the effect of the inclination forces more than the effect of the vortical forces. 2. Changing the diameter of the abutment on the implant affect the effect of the inclination forces more than the effect of the vertical forces. 3. Experimentation showed that the larger diameter implants provided a decreased neck bone stress, whereas a larger diameter abutment provided a decrease marginal abutment stress. 4. Experimentation showed that the neck bone and abutment received more stress from inclination forces than vertical forces, Conclusions: By decreasing the size of the abutment on the implant we were able to diminishneck bone stress.

저자의 다른 논문

참고문헌 (29)

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이 논문을 인용한 문헌 (3)

  1. Park, Hyun-Soo ; Lim, Sung-Bin ; Chung, Chin-Hyung ; Hong, Ki-Seok 2006. "Study on the stress distribution depending on the bone type and implant abutment connection by finite element analysis" 대한치주과학회지 = The journal of Korean academy of periodontology, 36(2): 531~554 
  2. Han, Sang-Un ; Vang, Mong-Sook ; Yang, Hong-So ; Park, Sang-Won ; Park, Ha-Ok ; Lim, Hyun-Pil 2007. "STRESS ANALYSIS OF SUPPORTING TISSUES ACCORDING TO IMPLANT FIXTURE DIAMETER AND RESIDUAL ALVEOLAR BONE WIDTH" 대한치과보철학회지 = The journal of Korean academy of prosthodontics, 45(4): 506~521 
  3. Lee, Jin-Han ; Cho, Hye-Won 2008. "Photoelastic Stress Analysis of Single Implant Restoration According to Implant Fixture Size and Abutment Diameter" 대한치과턱관절기능교합학회지 = Journal of Korean academy of stomatognathic function and occlusion, 24(3): 253~267 

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