相关实验视频
Updated: Jan 16, 2026
08:47
Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
13.4K
老年人的牙损失率和死亡率
Journal of the American Dental Association (1939)
|October 4, 2025
概括
老年人的快速牙损失率 (TLR) 是死亡率的重要预测因素. 监测TLR可以帮助识别更高风险的个体,并鼓励预防性口腔护理.
科学领域:
- 老年学是一门学科.
- 公共卫生 公共卫生
- 牙科医学 牙科医学
背景情况:
- 牙脱落是老年人常见的问题,影响整体健康和生活质量.
- 现有的老年人死亡风险指标可能无法完全捕捉口腔健康下降的影响.
- 对于老年人群的有针对性的干预措施来说,对可访问的死亡预测指标的需求至关重要.
研究的目的:
- 引入和验证牙损失率 (TLR) 作为预测老年人死亡率的新指标.
- 在一大群老年人中评估TLR和全因死亡率之间的关联.
- 在老年人群中提前预防牙脱落的重要性.
主要方法:
- 利用了中国长度健康长寿调查 (CLHLS) 的数据,涵盖了三个队列 (2005,2008,2011).
- 通过将基线和随访期间的牙数量差异除以时间间隔来计算TLR.
- 采用考克斯的比例危险模型来分析TLR和死亡率之间的关系,调整共变量.
主要成果:
- 牙损失率 (TLR) 被确定为增加死亡率的独立风险因素 (调整后HR,1.16).
- 与缓慢的TLR相比,快速的TLR显示出更高的调整后死亡风险.
- TLR与死亡风险之间的关联在80岁及以上的个人,不规律炼的人和戴假牙的人中更为明显.
结论:
- 快速牙损失率 (TLR) 与老年人死亡风险更高相关.
- 对于预测老年人死亡率而言,TLR是一种有价值且易于观察的指标.
- 优先考虑口腔健康和解决老年人牙脱落问题,对于改善健康结果和寿命至关重要.
相关概念视频
01:15Teeth
1.6K
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...
1.6K
01:29Bone Disorders
5.1K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.1K
01:21Tooth 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...
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...
2.0K
01:19The Effect of Aging on Tissues
3.3K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.3K
01:20Actuarial Approach
286
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
286
01:11Hazard Rate
401
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
401