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相关概念视频

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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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: Jan 10, 2026

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
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匈牙利儿童永久牙出现的参考值:一项跨部门研究

Zsuzsa Kapusi-Papp1, János Máth2, Judit Ágnes Nemes1

  • 1Department of Pediatric and Preventive Dentistry, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary.

Dentistry journal
|November 26, 2025
PubMed
概括

这项研究为匈牙利儿童建立了新的,性别特定的永久牙喷发标准,取代了过时的国际指导方针. 这些发现有助于诊断喷发时间和规划牙科干预.

关键词:
匈牙利 匈牙利 匈牙利出现时间 出现时间喷发的序列 喷发的序列永久的牙是永久的牙.牙的喷发 牙的喷发 牙的喷发

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科学领域:

  • 牙科 牙科是指牙科的专业.
  • 人类生物学 人类生物学
  • 儿科健康 儿科健康

背景情况:

  • 准确的诊断和治疗规划需要关于永久牙喷发的特定人群数据.
  • 匈牙利的临床实践目前使用过时的国际喷发标准.
  • 建立地方标准对于有效的公共卫生战略至关重要.

研究的目的:

  • 确定匈牙利儿童永久牙出现的时间和顺序.
  • 为匈牙利人口提供性别特定的喷发标准.
  • 以局部化,基于证据的数据更新当前的临床实践.

主要方法:

  • 一项横截面研究分析了2948名4至15岁的匈牙利儿童的牙科查记录.
  • 探头回归估计了中位喷发时间和百分位数.
  • 喷发序列根据性别和部位置进行评估.

主要成果:

  • 女孩通常比男孩更早出现永久牙喷发,有显著的例外.
  • 牙通常在上牙之前爆发,观察到性别特异的变化.
  • 喷发范围有显著的变化,第二牙显示最宽的范围和腹中央切口最窄.

结论:

  • 这项研究为匈牙利儿童提供了第一个现代,性别特定的永久牙喷发标准.
  • 这些新的参考值在临床上是有价值的,用于识别延迟喷发.
  • 这些发现支持预防性牙科护理和正牙干预的最佳时间.