チタニウム製骨結合型，　骨接触型骨内インプラントと周囲骨の応力分布に関する研究　第２報　カウンターシンク角度が周囲骨内応力に及ぼす影響

DOI Web Site 被引用文献6件 参考文献11件

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タイトル別名
  • Studies on Stress Distribution of Bone-bonded and Bone-adapted Titanium Endosseous Implants and Surrounding Bone. Part 2. Effect of Countersink Angle Variation to Stress Distribution in Bone.
  • Part 2. Effect of Countersink Angle Variation to Stress Distribution in Bone
  • 第2報カウンターシンク角度が周囲骨内応力に及ぼす影響

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The purpose of this study was to investigate stress distribution in bone around bone-bonded and bone-adapted titanium cylindrical implants with various countersink angles using 2-dimensional finite element analysis. In the bone-adapted model, the slip element was used at the interface between the bone and implant. The following results were obtained.<BR>1. Stresses were observed at the compact bone around the countersink in both bone-bonded and boneadapted implants. Nevertheless, stress concentration differed in the location. In bone-bonded implants, the stress concentration was observed at the upper most part of the compact bone around the countersink of the implants. Whereas, in bone-adapted implants it was observed at the compact bone around the edge of the countersink.<BR>2. In bone-bonded implants, various countersink angles scarcely affected the stress value in bone. But in bone-adapted implants, the 75 degrees of countersink angle reduced the stress value utmost.

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