唐氏综合征患者牙发育模式:使用牙发育代码进行二次分析
Sonja M Kalf-Scholte1, Arjen van Wijk2, Angela Mayoral Trias3
1Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
概括
在唐氏综合征 (DS) 中确定了牙发育 (TA) 模式. 特定的模式,如缺失的侧切口,是常见的,可以预测更广泛的牙损失 (寡).
科学领域:
- 牙科 牙科是指牙科的专业.
- 遗传学 遗传学 是一个
- 发展生物学 发展生物学
背景情况:
- 牙发育 (TA) 是患有唐氏综合征 (DS) 的个体经常出现的牙异常.
- 了解DS中TA模式对于有效的治疗规划和病因学研究至关重要.
- 除了第三牙外,DS中TA的特定模式在很大程度上仍然没有特征.
研究的目的:
- 在患有唐氏综合征 (DS) 的人群中,综合和分析牙发育 (TA) 的模式,不包括第三牙.
- 使用牙发育代码 (TAC) 进行TA模式的系统分析.
- 调查TA模式的对称性及其对DS中的小牙的预测价值.
主要方法:
- 根据STROSA指南,对6项涉及241名DS患者的研究进行了二次分析.
- 牙发育数据被系统地转换为牙发育代码 (TAC),并根据牙,下巴和牙类型进行分析.
- 评估了TA模式的对称性,并计算了小牙的预测值.
主要成果:
- 对155个TA病例的分析揭示了86个不同的整体TAC模式.
- 最常见的TA模式包括双边大侧切口生殖 (10.3%) 和双边下第二前生殖 (5.8%).
- 在大部和下部的约一半病例中观察到TA的对称性,下部中央切口细胞发生强烈预测了小牙 (OR 12.44).
结论:
- 在患有唐氏综合征 (DS) 的个体中,存在明显且占主导地位的牙发育 (TA) 模式.
- 鉴定特定的TA模式,特别是下中央切口细胞发生,有助于在DS患者中早期诊断小牙.
- 这些发现对个性化牙科治疗和了解DS中牙异常的遗传基础有意义.
更多相关视频
相关概念视频
Teeth
369
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...
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...
369
Karyotyping
59.7K
Overview
59.7K
Meiosis I
193.4K
Meiosis is a carefully orchestrated set of cell divisions, the goal of which—in humans—is to produce haploid sperm or eggs, each containing half the number of chromosomes present in somatic cells elsewhere in the body. Meiosis I is the first such division, and involves several key steps, among them: condensation of replicated chromosomes in diploid cells; the pairing of homologous chromosomes and their exchange of information; and finally, the separation of homologous chromosomes by...
193.4K
Nondisjunction
75.4K
During meiosis, chromosomes occasionally separate improperly. This occurs due to failure of homologous chromosome separation during meiosis I or failed sister chromatid separation during meiosis II. In some species, notably plants, nondisjunction can result in an organism with an entire additional set of chromosomes, which is called polyploidy. In humans, nondisjunction can occur during male or female gametogenesis and the resulting gametes possess one too many or one too few chromosomes.
75.4K
Pedigree Analysis
84.2K
Overview
84.2K
Tooth Anatomy
410
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...
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...
410


