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Related Concept Videos

Teeth01:15

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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.
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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.
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A life table is a statistical tool that summarizes the mortality and survival patterns of a population, providing detailed insights into the likelihood of survival or death across different age intervals within a cohort. By organizing data on survival probabilities and mortality rates, life tables offer a clear snapshot of population dynamics over time. They are extensively used in demography, public health, actuarial science, and ecology to analyze life expectancy, design health interventions,...
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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.
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Related Experiment Video

Updated: Feb 23, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
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Association between missing tooth count and mortality: A systematic review.

Sreenivas Koka1, Avni Gupta2

  • 1Clinical Professor, Advanced Prosthodontics, Loma Linda University, Loma Linda, USA; Interim Chair, Restorative Dentistry, UCLA, Los Angeles, USA; Private Practice Limited to Removable and Implant Prosthodontics, Koka Dental Clinic, San Diego, USA.

Journal of Prosthodontic Research
|September 5, 2017
PubMed
Summary
This summary is machine-generated.

Reduced tooth count is linked to increased mortality, though study variations exist. Further research is needed to understand mediating factors like smoking and socioeconomic status on this association.

Keywords:
Edentulism and mortalityMissing teethMortalityTooth count

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Area of Science:

  • Public Health
  • Epidemiology
  • Dental Science

Background:

  • Tooth loss is a common issue with potential health implications.
  • Understanding the link between oral health and overall mortality is crucial for public health initiatives.

Purpose of the Study:

  • To systematically review and analyze existing literature on the association between tooth count and mortality.
  • To evaluate methodological variations in studies examining tooth count and mortality.
  • To determine if preserving natural teeth impacts mortality rates.

Main Methods:

  • Systematic literature search of PubMed, Web of Science, and CINAHL databases.
  • Keywords included "tooth count" and "mortality" with variations.
  • 49 eligible studies were critically evaluated and findings summarized.

Main Results:

  • Studies varied significantly in sample size, population, methodology, and definition of tooth count.
  • Follow-up periods ranged from 1 to 56 years across the included studies.
  • Overall, a reduced tooth count was associated with higher mortality.

Conclusions:

  • High variability in studies prevents a definitive conclusion.
  • Reduced tooth count is associated with increased mortality, but confounding factors require further investigation.
  • Factors like smoking, healthcare access, comorbidities, and socioeconomic status may mediate the association.