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相关概念视频

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Brick durability, strength, and appearance are crucial factors in construction, influencing the choice of bricks for specific applications. The process of freeze-thaw, for instance, significantly affects brick durability. This phenomenon occurs when water absorbed by a brick expands as it freezes, potentially causing damage when it melts and refreezes. Bricks are graded for durability: SW-grade bricks are the most durable, offering high strength and low water absorption, followed by MW-grade...
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相关实验视频

Updated: Jul 8, 2026

Author Spotlight: Rapid Prototyping and Testing of Self-Expanding Nitinol Frames for Transcatheter Implantable Devices
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使用4种不同的-单档系统对塑形能力和形碎片挤出进行比较.

Siyu Li1,2,3, Mengzhen Tang1,2,3, Xi Wang1,2,3

  • 1Department of Cariology and Endodontics, The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, China.

International journal of biomaterials
|July 14, 2025
PubMed
概括

在模拟的曲通道中,S-ONE- (Ni-Ti) 单档系统显示出卓越的集中能力. 相比之下,One Plex系统导致了更尖端的碎片挤出和运河运输.

关键词:
尼蒂仪器仪表的使用角碎片挤出 角碎片挤出集中能力 集中能力的能力.模拟的根通道模拟.单个文件系统的单个文件系统.

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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:

  • - (Ni-Ti) 单档系统广泛用于内牙治疗.
  • 评估它们的塑形能力和碎片挤出潜力对于临床成功至关重要.

研究的目的:

  • 为了比较模拟曲根通道中的四个Ni-Ti单档系统的成型能力和顶端碎片挤出.
  • 评估互惠蓝 (RCB),V-蓝,One Plex和S-ONE系统的集中能力和运输通道.

主要方法:

  • 在树脂块中模拟的40个曲根通道被四个Ni-Ti单档系统 (每组n=10) 仪器化.
  • 通过测量树脂去除和计算中心化比来评估成形能力.
  • 在根制备过程中量化了角碎片挤出.

主要成果:

  • S-ONE表现出最好的集中能力.
  • 一个plex显示显著更大的顶峰碎片挤出和运河运输在顶部.
  • 互惠蓝色 (RCB) 在6-8级表现出内部通道壁的过度移除.

结论:

  • 推使用S-ONE,因为它在曲的运河中具有优越的集中能力.
  • 临床医生应谨慎使用One Plex系统,因为会增加碎片挤出和运输.
  • 需要进一步的研究来优化Ni-Ti单文件系统,以适应复杂的根管解剖.