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相关概念视频

Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
Teeth01:15

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
Tooth Anatomy01:21

Tooth Anatomy

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 grinding food.
Veneer01:19

Veneer

Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...

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相关实验视频

Updated: Jun 26, 2026

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture
07:47

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture

Published on: November 13, 2013

从一颗牙出现的第二颗残留牙.

Tatsuya Akitomo1, Mariko Kametani1, Yuko Iwamoto1

  • 1Department of Pediatric Dentistry, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan.

Diagnostics (Basel, Switzerland)
|March 28, 2025
PubMed
概括

一个5个月大的孩子的创伤损伤导致下切口和剩余的牙丢失. 长期跟踪发现了另一个残留牙,突出显示了创伤后监测不成熟牙的重要性.

科学领域:

  • 儿科牙科 儿科牙科
  • 在口腔外科手术.
  • 发展生物学 发展生物学

背景情况:

  • 牙异常在儿科牙科中很常见,需要长期监测.
  • 婴儿的创伤性牙损伤可能导致复杂的后果.
  • 剩余的牙,通常与赫特维格的上皮膜残留物有关,存在诊断和管理方面的挑战.

研究的目的:

  • 报告一个罕见的婴儿创伤性脱牙后复发的残留牙病例.
  • 强调长期随访对幼儿牙创伤管理的重要性.
  • 讨论残留牙与不成熟的根部发育相关的潜在病因.

主要方法:

  • 一个5个月大的男婴出现了创伤性下切肢损失的案例报告.
  • 临床检查和放射评估以确定化组织 (剩余牙).
  • 手术切除剩余牙,随后进行一年的随访.

主要成果:

  • 最初的创伤导致下切口的损失.
  • 检测到剩余的牙并进行了提取.
  • 一年后,在同一个位置出现了第二颗残留牙,表明出现了反复出现的问题.
  • 剩余的牙与一个不成熟的根和赫特维格的上皮膜残留物有关.
关键词:
牙创伤是指牙的创伤.一个主要的牙主要的牙.剩余的牙是剩余的牙.

更多相关视频

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
04:19

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

Published on: January 13, 2023

相关实验视频

Last Updated: Jun 26, 2026

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture
07:47

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture

Published on: November 13, 2013

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
04:19

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

Published on: January 13, 2023

结论:

  • 剩余的牙即使在创伤性脱牙后,也可能发生在幼儿中,其根不成熟.
  • 长期的牙科随访对于由于创伤而失去牙的儿科患者至关重要.
  • 临床医生应该意识到残留牙形成的可能性以及监测这些病例的重要性.