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相关概念视频

Tooth Anatomy01:21

Tooth Anatomy

1.1K
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...
1.1K
Teeth01:15

Teeth

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The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
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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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Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Published on: February 23, 2024

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基于自适应几何优化的牙位置预测方法.

Tian Ma1, Yijie Zeng1, Wenda Pei1

  • 1College of Artificial Intelligence & Computer Science, Xi'an University of Science and Technology, Xi'an Shaanxi, China.

PloS one
|July 7, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种基于变压器的方法,用于精确预测牙位置,提高了2.87%的准确性,并减少了牙科AI应用中的错误.

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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
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相关实验视频

Last Updated: Sep 16, 2025

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
07:32

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

Published on: February 23, 2024

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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
10:50

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures
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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

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科学领域:

  • 生物医学工程 生物医学工程
  • 计算机视觉 计算机视觉
  • 人工智能的人工智能

背景情况:

  • 目前的牙位置预测方法在高精度的医疗数据访问方面遇到了困难.
  • 现有的方法在捕捉牙之间的等级特征和空间关系方面存在局限性.

研究的目的:

  • 开发一种基于变压器的先进方法,用于牙位置预测中的多层特征优化.
  • 克服与牙科AI数据采集和特征表示相关的挑战.

主要方法:

  • 实施了对姿势不变的几何和生理适应性优化策略.
  • 设计了一个使用变压器架构的层次特征牙位置预测网络.
  • 构建了一个共同监督的损失函数,以管理牙的空间关系并防止错位.

主要成果:

  • 与现有方法相比,预测准确度提高了2.87%.
  • 旋转和翻译错误分别减少了28.28%和37.53%.
  • 证明有效监督牙空间结构和防止碰撞.

结论:

  • 拟议的多层功能优化基于变压器的方法显著提高了牙位置预测的准确性和稳定性.
  • 适应性策略和层次网络有效地解决了当前牙科AI方法的局限性.
  • 共同监督的损失函数确保了精确的空间关系,并最大限度地减少了对齐错误.