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相关概念视频

Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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Tooth Anatomy01:21

Tooth Anatomy

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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...
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Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Changes in the Appendicular Skeleton with Age01:09

Changes in the Appendicular Skeleton with Age

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The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
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Bone Structure01:55

Bone Structure

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Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
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Overview of the Axial Skeleton01:09

Overview of the Axial Skeleton

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The skeleton is subdivided into two major divisions—the axial skeleton and the appendicular skeleton. The axial skeleton forms the vertical, central axis of the body. It includes all of the bones of the head, neck, chest, and back. It protects the brain, spinal cord, heart, and lungs. It also serves as the attachment site for muscles that move the head, neck, and back and for muscles that act across the shoulder and hip joints to move their corresponding limbs.
The axial skeleton of the...
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相关实验视频

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A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
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A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

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弓形状与垂直骨图案之间的相关性

Domenico Ciavarella1, Mauro Lorusso1, Carlotta Fanelli1

  • 1Department of Clinical and Experimental Medicine, Dental School of Foggia, University of Foggia, Via Rovelli 50, 71122 Foggia, Italy.

Medicina (Kaunas, Lithuania)
|November 25, 2023
PubMed
概括

这项研究发现,在成长期的患者中,下弓形状和垂直骨模式之间存在相关性. 特定的头骨面部特征,如下分歧,会影响下弓形状.

关键词:
形 形 形 形 形增长评估 增长评估ортодонтическое 治疗 治疗 ортодонтическое 治疗垂直增长 垂直增长 垂直增长

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A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible
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科学领域:

  • 矯正牙科 矯正牙科是一種矯正牙科.
  • 头骨面部形态学 头骨面部形态学
  • 牙弧分析 牙弧分析

背景情况:

  • 了解骨图案和牙弧形态之间的关系在正学中至关重要.
  • 成长中的患者为正牙干预带来了独特的挑战和机会.
  • 之前的研究已经探索了各种脑计和牙科参数,但正在进行全面的相关性研究.

研究的目的:

  • 在成长中的个体中调查下弓形状和垂直骨模式之间的相关性.
  • 为了确定与下弓形状的变化相关的特定头度参数.
  • 增强儿科 ортодонтика的诊断和治疗规划策略.

主要方法:

  • 对73名高加索成长期患者 (平均年龄9.4岁) 的回顾性分析.
  • 收集横向侧向放射和数字牙弧扫描.
  • 分析了八个头脑测量参数 (例如,Jarabak比,ANB) 和五个牙科测量 (例如,下弓宽度,闭塞角度).
  • 使用斯皮尔曼的rho相关性测试 (p < 0.05) 的统计比较.

主要成果:

  • 在Jarabak比率和间角之间发现了显著的负相关性.
  • 在Wits指数,后下宽度和闭合下角之间观察到显著的相关性.
  • 间角 (PP-PM) 与闭口下角和后下宽度有显著的相关性.
  • OP-MP角与闭口下角和后下宽度显著相关.

结论:

  • 门形状似乎与具有倾向的头骨面部特征有关.
  • 牙分歧,贾拉巴克比率和间角被确定为可能相关的因素.
  • 结果可能会为成长中的患者提供更精确的正牙治疗计划.