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墙壁厚度对形状准确性的影响 通过3D打印机制造的空心土人造牙的形状准确性

Hiro Kobayashi1, Franz Sebastian Schwindling2, Akinori Tasaka1

  • 1Department of Removable Partial Prosthodontics, Tokyo Dental College, Tokyo, Japan.

Journal of prosthodontic research
|July 21, 2024
PubMed
概括

3D打印的石牙需要至少0.5毫米的墙壁厚度,以获得可接受的形状准确度. 更薄的墙壁,特别是0.3毫米,导致距离和角度测量的显著偏差.

关键词:
3D打印机的3D打印机人工牙的人工牙.在CAD/CAM中使用.可拆卸的部分假牙.的是的元素之一.

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Thin-Walled Hollow Shafts01:15

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In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
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