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相关概念视频

Tooth Anatomy01:21

Tooth Anatomy

510
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
510

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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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在虚拟支架移除技术中为不同类型的牙设置最佳设置.

Yipeng Wang, Peiqi Wang, Shiyang Ye

    The Angle orthodontist
    |October 15, 2023
    PubMed
    概括

    虚拟支架移除 (VBR) 技术是一种虚拟支架移除技术.

    科学领域:

    • 矯正牙科 矯正牙科是一種矯正牙科.
    • 数字牙科数字牙科
    • 计算机辅助设计 (CAD)

    背景情况:

    • 对口腔牙表面的准确重建对于虚拟支架移除 (VBR) 至关重要.
    • 不同的计算机辅助设计 (CAD) 软件设置可能会影响重建的准确性.
    • 优化VBR设置对于可靠的数字治疗计划至关重要.

    研究的目的:

    • 确定最佳的计算机辅助设计 (CAD) 设置,以使用虚拟支架移除 (VBR) 技术重建口腔牙表面.
    • 为了评估VBR重建在不同类型的牙和CAD软件设置中的准确性.

    主要方法:

    • 通过使用三种CAD系统 (OrthoAnalyzer,Meshmixer,Geomagic Studio) 的五个VBR设置,分析了十个数字牙.
    • 计算了重建和原始表面之间的根平均平方 (RMS).
    • 将RMS值与0.10毫米的临床可接受限值 (CAL) 相比较.

    主要成果:

    • 来自Geomagic Studio的触角 (G1) 设置实现了最高的整体准确性,其中94.83%的重建低于CAL.
    • 与其他设置相比,G1设置导致所有牙的RMS平均值显著降低 (P < .001).
    • 网状混合器 (M) 和曲率 (G2) 设置在上下两种牙中显示出切口和狗的良好准确性.
    关键词:
    在CAD/CAM中使用.矯正牙科 矯正牙科是一種矯正牙科.保持者 保持者 保持者这就是VBR VBR.

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    Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
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    A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
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    Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

    Published on: December 20, 2024

    417

    结论:

    • 最佳的VBR设置取决于牙类型.
    • 触角 (G1) 设置通常为重建各种牙类型的口腔牙表面提供最佳性能.
    • CAD软件设置显著影响虚拟支架移除重建的准确性.