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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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相关实验视频

Updated: Sep 16, 2025

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
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一个潜在的变量深度生成模型为3D前牙形状的3D前牙形状.

Chawalit Chanintonsongkhla1,2, Varin Chouvatut1, Chumphol Bunkhumpornpat1

  • 1Department of Computer Science, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand.

Journal of prosthodontics : official journal of the American College of Prosthodontists
|July 7, 2025
PubMed
概括
此摘要是机器生成的。

PointFlow是一个新的深度生成模型,可以为数字牙科创建现实的3D牙形. 这项技术在牙重建等临床应用方面表现有前途.

关键词:
人工智能的人工智能是人工智能.深度学习是一种深度学习.牙假体设计 牙假体设计生成型模型是一种生成型模型.模型 模型 模型 模型这些都是统计数据.牙形状的生成 牙形状的生成

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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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Three-Dimensional Shape Modeling and Analysis of Brain Structures
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相关实验视频

Last Updated: Sep 16, 2025

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07:32

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

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科学领域:

  • 计算机辅助设计和制造
  • 生物医学工程 生物医学工程
  • 3D建模和重建3D建模和重建

背景情况:

  • 数字牙科依赖于准确的3D牙形状表示.
  • 生成现实的和多样化的3D牙形状对于修复和化品手术至关重要.
  • 现有的方法可能缺乏与当前数字设计工作流程的整合.

研究的目的:

  • 介绍PointFlow,一种用于创建3D牙形状的3D生成技术.
  • 将PointFlow与传统的数字设计工作流程集成.
  • 评估PointFlow用于牙重建的临床适用性.

主要方法:

  • 在1337个自然前牙的3D扫描上训练了一个深度生成模型 (PointFlow).
  • 编码了3D牙几何形状,变成了代表形态特征的紧的隐藏代码.
  • 通过从潜伏空间取样生成新的牙形状,并使用3D形状指标进行评估.
  • 通过重建60颗人工损坏的牙来评估临床适用性.

主要成果:

  • PointFlow有效地捕捉了前牙形状的多样性.
  • 与参考数据集相比,生成的牙形状在生成指标上表现优越.
  • 该模型成功地在损坏的牙中重建了缺失的区域,平均Chamfer距离为0.2738±0.095毫米.

结论:

  • 深度生成模型可以准确地学习牙的特征.
  • PointFlow显示了生成高质量的3D牙形的潜力.
  • 该技术可用于牙科进一步的临床应用.