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相关概念视频

Tooth Anatomy01:21

Tooth Anatomy

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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...
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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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使用不同虚拟关节元参数进行算法设计的修复的闭合分析:初步研究.

Shan-Lin Guo1, Xiao He1, Zhi Tang1

  • 1Department of Stomatology, Zhujiang Hospital, Southern Medical University, Guangzhou, China.

International dental journal
|July 16, 2025
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概括

与非个性化设置相比,CAD/CAM冠设计中的个性化虚拟关元参数显著提高了患者的舒适性和闭合精度. 平均值参数提供了一种实际的临床方法,以获得更好的恢复结果.

关键词:
整体陶的王冠都是陶的生物基因模型是生物基因模型.在CAD/CAM中使用.闭口接触是闭口接触.虚拟关节器是一个虚拟的关节器.

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科学领域:

  • 数字牙科数字牙科
  • 计算机辅助设计/计算机辅助制造 (CAD/CAM)
  • 牙修复 牙修复 牙修复 牙修复 牙修复

背景情况:

  • 虚拟关节器对于设计CAD/CAM修复至关重要.
  • 优化虚拟关节器参数可以提高临床结果.
  • 参数个性化对CEREC生物生成修复的影响需要研究.

研究的目的:

  • 评估不同的虚拟关元参数设置如何影响后部CAD/CAM修复中的闭塞康复结果.
  • 在各种参数个性化级别中比较主观的患者舒适度和客观的闭合精度.

主要方法:

  • 20名参与者获得了四个CEREC冠状,这些冠状采用了不同的虚拟关节器协议:没有虚拟关节器参数 (NVAP),平均虚拟关节器参数 (MVAP),部分个性化的虚拟关节器参数 (PPVAP) 和完全个性化的虚拟关节器参数 (FPVAP).
  • 使用视觉模拟量表 (VAS) 和利克特量表来评估主观舒适度.
  • 使用Geomagic Control X软件进行了客观的闭塞分析,以测量接触区域和点.

主要成果:

  • MVAP和FPVAP组报告的VAS得分明显低于NVAP,表明患者舒适度有所改善.
  • 与预备状态相比,所有皇冠设计都减少了闭合接触区域,FPVAP显示了最有利的结果,尽管在统计学上并不显著.
  • 两次NVAP修复在一年内破裂,这表明了以个性化参数提高耐用性的趋势.

结论:

  • 在CAD/CAM皇冠设计中使用平均值或完全个性化的虚拟关元参数可以带来更高的患者舒适度和更准确的闭合关系.
  • 平均值设置为常规临床应用提供了一个可行的选择.
  • 虚拟关节器参数的个性化对于改善恢复结果和潜在降低故障率很重要.