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相关概念视频

Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...

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使用两个旋转和两个反转的文件系统对apically挤出碎片的比较评估:一个体外研究研究.

Arjun B Ravi1, V P Prabath Singh1, T R Razdan2

  • 1Department of Conservative Dentistry and Endodontics, Amrita School of Dentistry, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.

Journal of pharmacy & bioallied sciences
|October 30, 2025
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概括

在根运河仪器仪表过程中,互换的文件系统产生了比连续旋转系统更多的apically挤出碎片. 这项研究量化了来自旋转和反转内牙科文件的碎片.

关键词:
角挤出方式 (apical extrusion) 是一种角挤出方式.运河仪器仪器仪表 运河仪器仪表互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互惠互互惠互互惠互互互惠互互互互互互互互互互互互互互互互互旋转系统旋转系统

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科学领域:

  • 牙周内科医院 牙周内科医院 牙周内科医院
  • 牙科材料科学 牙科材料科学

背景情况:

  • 在根运河准备过程中,状挤压的碎片可能会影响周围的状组织.
  • 了解碎片的产生对于牙周内科手术的安全性和有效性至关重要.

研究的目的:

  • 量化和比较由旋转与反转单档系统产生的角挤压碎片的数量.
  • 为了评估不同内牙科文件系统的碎片挤出潜力.

主要方法:

  • 采用两种类型的单档系统 (旋转式和反转式) 仪器测试了80个提取的下前.
  • 采集并使用分析微平衡称重的apically挤出碎片.

主要成果:

  • 所有经过测试的文件系统都产生了可测量的apically挤出碎片.
  • 相反的文件系统导致与连续旋转系统相比,极端挤出碎片的数量显著增加.

结论:

  • 互换性内牙文件系统比连续旋转系统产生更多的apically挤出碎片.
  • 对于临床医生来说,在选择牙周内脏病档案系统时,意识到碎片挤出是很重要的.