相关实验视频
Updated: Jun 26, 2025

08:47
Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
12.7K
使用工具促进牙健康
Barbara C Klump1,2,3
1Department of Behavioral and Cognitive Biology, University of Vienna, Vienna, Austria.
概括
海使用工具来提高食物收集的成功率并防止牙损伤. 这种行为凸显了这些海洋哺乳动物的认知能力.
科学领域:
- 海洋生物学
- 动物行为
- 生态学
背景情况:
- 海 (Enhydra lutris) 以其复杂的食行为而闻名.
- 在海中观察到工具的使用, 但它的直接益处仍在量化.
研究的目的:
- 研究工具使用对海获取食物成功的影响.
- 确定工具使用是否减轻了这种物种的牙磨损和损伤.
主要方法:
- 在自然息地对海进行观察研究.
- 分析食效率和捕获猎物的速度.
- 检查牙健康状况和与工具使用有关的磨损模式.
主要成果:
- 那些使用工具的海在寻找食物的成功率明显更高.
- 使用工具与减少牙损伤和磨损的迹象有关.
- 观察到特定的工具对某些猎物类型更有效.
结论:
- 工具的使用对海来说是一个关键的适应,
- 这种保护机制对于海的长期生存至关重要.
- 保护战略应考虑工具使用对海种群健康的作用.
相关概念视频
Tooth Anatomy
446
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...
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...
446
Teeth
394
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...
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...
394
Oral Cavity
626
The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
626
Assessment of the Mouth
185
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
185

