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相关概念视频

Cross-Sectional Research01:50

Cross-Sectional Research

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In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
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相关实验视频

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镜模式的人口变化:一个横截面观测试点研究.

Emily Smith Regan1, Brenda T Bradshaw2, Ann M Bruhn1

  • 1Gene W. Hirschfeld School of Dental Hygiene, Old Dominion University, Norfolk, VA, USA.

Journal of dental hygiene : JDH
|October 10, 2023
PubMed
概括

唇印图案显示,有或没有吸烟或蒸汽等口腔习惯的个体之间没有显著差异. 需要进一步的研究来证实镜.

关键词:
凯洛斯科比 (Cheiloscopy) 是一种可视化检查方法.法医牙科 - 法医牙科唇印 唇印 唇印 唇印其他功能性口腔习惯.人口人口人口的人口人口.

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科学领域:

  • 法医科学 法医科学 法医科学
  • 人类学是人类学.

背景情况:

  • 唇印是独特的生物识别标识符,在人类识别中具有潜在的应用.
  • 唇印的研究Cheiloscopy,检查的模式用于法医和识别目的.

研究的目的:

  • 为了研究具有或没有副功能性口腔习惯的个体之间唇纹图案 (胆镜) 的潜在差异.
  • 检查的口服习惯包括吸烟,电子烟,风器使用和使用喘吸入器.

主要方法:

  • 一个盲目的,横截面的观察试点研究,涉及63名参与者.
  • 唇印采集使用口红和带,然后使用木和Tsuchihashi系统手动分析.
  • 唇印象限被根据口腔副功能习惯的存在或不存在来分类.

主要成果:

  • 总共分析了252个唇印象限,其中30.2%来自有习惯的人和69.8%没有习惯的人.
  • 在所有分析样本中,II型模式是最普遍的.
  • 在具有或没有副功能性口腔习惯的组之间,没有在口唇印图案分类上发现统计学上显著的差异 (p=0.366).

结论:

  • 该研究发现,对功能性口腔习惯和唇印模式之间没有统计学上显著的相关性.
  • 建议对人口变异进行进一步的研究,以提高镜在人类识别中的实用性.