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相关概念视频

Minerals01:26

Minerals

1.0K
Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
 
Major...
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Tooth Anatomy01:21

Tooth Anatomy

2.0K
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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Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene01:13

Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene

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Bromination and chlorination of aromatic rings by electrophilic aromatic substitution reactions are easily achieved, but fluorination and iodination are difficult to achieve. Fluorine is so reactive that its reaction with benzene is difficult to control, resulting in poor yields of monofluoroaromatic products. To address this, Selectfluor reagent is used as a fluorine source in which a fluorine atom is bonded to a positively charged nitrogen.
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Electron Affinity03:07

Electron Affinity

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The electron affinity (EA) is the energy change for adding an electron to a gaseous atom to form an anion (negative ion).
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Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

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Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
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Teeth01:15

Teeth

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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...
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Updated: Jan 9, 2026

Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries
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关于化物预防的最新情况

P Defabianis1

  • 1CIR Dental School, Dipartimento di Scienze Chirurgiche, University of Turin.

European journal of paediatric dentistry
|December 3, 2025
PubMed
概括
此摘要是机器生成的。

过度的化物暴露对于预防腔并不是必不可少的,并且可能会伤害儿童.

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Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera
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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera
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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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科学领域:

  • 生物化学 生物化学
  • 毒理学 毒理学 毒理学
  • 公共卫生 公共卫生

背景情况:

  • 化物是一种微量元素,对牙和骨健康至关重要.
  • 它被迅速吸收,从水中的生物利用率高于食物中的生物利用率.
  • 通过对牙表面的局部应用来实现最佳益处.

研究的目的:

  • 审查有关化物暴露的必要性和风险的证据.
  • 为了突出化物对胎儿和婴儿发育的有限益处.
  • 强调过度化物对幼儿发育中的大脑的特殊危害.

主要方法:

  • 文献审查和证据综合.
  • 化物吸收,分布和分泌的分析.
  • 检查化物对牙健康,骨强度,甲状腺功能和认知发育的影响.

主要成果:

  • 过度的化物暴露与化症有关,对牙和骨产生负面影响.
  • 有害影响扩展到甲状腺功能和认知发育,特别是在儿童中.
  • 有证据表明,化物对于皮预防不是必不可少的,对胎儿和婴儿的益处很小.

结论:

  • 过度摄入化物对健康构成重大风险,特别是对幼儿大脑的发育.
  • 化物对空预防的好处主要是通过局部应用而不是系统暴露来实现.
  • 需要更安全,更有效的牙预防策略,特别是在低收入至中等收入国家.