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Methods for the Study of the Zebrafish Maxillary Barbel09:30

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The zebrafish maxillary barbel is an integumentary sense organ containing ectodermal, mesodermal and neural crest derivatives. Importantly, the adult barbel can regenerate after proximal amputation. This video introduces maxillary barbel development and demonstrates a surgical protocol to induce regeneration, followed by collection, embedding and downstream imaging of barbel...
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相关实验视频

Updated: Jan 20, 2026

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骨稳定性 随着勒福特I大前进与刚性固定:一个回顾性研究

Sunil Kumar Gulia1, Lalitha Singu2, Jhansi Rani3

  • 1Department of Oral and Maxillofacial Surgery, Shree Guru Gobind Singh Tricentenary University, Gurugram, IND.

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概括
此摘要是机器生成的。

术后骨复发LeFort I大突进后是常见的,但更大的突进 (>5毫米) 显示出更好的稳定性. 在第一年失去了大约24%的晋升,之后的稳定性很好.

关键词:
进步进步的提升方式莱福特一世 在大和大的最大部分.整形骨架的整形骨架是什么骨质切除术 (osteotomy) 是一种骨质切除术.这是一个复发的复发.

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相关实验视频

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科学领域:

  • 口腔和牙面部外科手术
  • 整形手术 整形手术 整形手术
  • 头骨面部重建 头骨面部重建

背景情况:

  • 手术后的骨复发是LeFort I大突起后的常见并发症.
  • 现代刚性固定技术的目的是尽量减少复发,但结果需要持续评估.

研究的目的:

  • 为了评估水平骨复发的幅度和预测因素,在LeFort I大提升后一年.
  • 评估在整形手术中的刚性固定技术的稳定性.

主要方法:

  • 在2018-2021年期间,对32名接受LeFort I进展的成年患者进行了回顾性分析.
  • 使用四个迷你板进行标准化的刚性固定;在手术前,手术后和一年后进行头脑测量分析.
  • 包括t测试和多变量线性回归在内的统计分析,以确定复发预测因素.

主要成果:

  • 一年后,大的平均提升为5.52毫米,平均水平复发为1.33毫米 (24.06%).
  • 超过5毫米的进步显示出明显较低的复发百分比 (22.07%) 与较小的进步 (26.06%) 相比.
  • 更大的进步幅度是百分比复发的独立负预测因素 (p=0.033).

结论:

  • 四点迷你板固定提供可靠的长期骨稳定性后,LeFort I大的提升.
  • 较大的上突进更稳定,这表明适当的手术纠正比保守的方法更可取.
  • 在第一年,患者可以预期大约四分之一的复发,随后持续稳定.