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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

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.
Oral Cavity01:11

Oral Cavity

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...
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...
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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...

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Related Experiment Video

Updated: May 10, 2026

Frailty Assessment in an Aging Mouse Model
06:58

Frailty Assessment in an Aging Mouse Model

Published on: September 23, 2025

Masticatory function and frailty: insights from NHANES and CHARLS.

Ronghui Xiang1, Jiaqi Wu2, Yunan Zhang1

  • 1Department of Stomatology, The Third People's Hospital of Yibin, Yibin, 644000, Sichuan, China.

BMC Public Health
|May 8, 2026
PubMed
Summary

Maintaining good oral health, indicated by functional tooth units (FTU), is linked to lower frailty and reduced mortality risk in older adults. Edentulism, or tooth loss, is associated with higher frailty and increased mortality.

Keywords:
CHARLSFrailtyMasticatory functionMortalityNHANES

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Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry
08:47

Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry

Published on: February 2, 2018

Oral Health Assessment by Lay Personnel for Older Adults
08:47

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

Related Experiment Videos

Last Updated: May 10, 2026

Frailty Assessment in an Aging Mouse Model
06:58

Frailty Assessment in an Aging Mouse Model

Published on: September 23, 2025

Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry
08:47

Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry

Published on: February 2, 2018

Oral Health Assessment by Lay Personnel for Older Adults
08:47

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

Area of Science:

  • Gerontology
  • Oral Health Research
  • Public Health

Background:

  • Established link between oral health and frailty.
  • Frailty is a significant predictor of adverse health outcomes, including mortality.
  • Masticatory function is a key component of oral health.

Purpose of the Study:

  • To investigate the association between masticatory function (FTU and edentulism) and frailty status.
  • To examine the impact of masticatory function and frailty on mortality risk in frail individuals.

Main Methods:

  • Analysis of data from NHANES and CHARLS.
  • Assessment of masticatory function using FTU and edentulism.
  • Frailty defined using established indices.
  • Multivariate logistic regression, Cox proportional hazards models, and restricted cubic spline analyses were employed.

Main Results:

  • Higher FTU scores correlated with lower frailty prevalence and reduced all-cause and cancer-related mortality.
  • Edentulism was associated with a higher risk of frailty and increased mortality.
  • Associations were robust across sensitivity analyses.

Conclusions:

  • Better masticatory function is crucial for reducing frailty prevalence and improving survival in older adults.
  • Edentulism poses significant risks for frailty and mortality.
  • Oral health interventions and rehabilitation are vital in geriatric care.