Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Teeth01:15

Teeth

369
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...
369
Tooth Anatomy01:21

Tooth Anatomy

410
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...
410
Introduction to Developmental Psychology01:27

Introduction to Developmental Psychology

222
Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.
Developmental Milestones
A key concept in developmental psychology is...
222
Cross-Sectional Research01:50

Cross-Sectional Research

11.3K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
11.3K
Nature and Nurture01:10

Nature and Nurture

20.4K
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
20.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Mineralization effect of ion-releasing fiber-reinforced composite in teeth with molar-incisor hypomineralization.

Biomaterial investigations in dentistry·2026
Same author

In Individuals with Osteogenesis Imperfecta, Cephalometric Findings Suggest that Bisphosphonate Therapy May Improve Craniofacial Growth.

Calcified tissue international·2026
Same author

Timing of dental development in relation to the treatment of maxillary canines: a retrospective register-based study.

Acta odontologica Scandinavica·2025
Same author

An autoencoder and vision transformer based interpretability analysis on the performance differences in automated staging of second and third molars.

Scientific reports·2025
Same author

Penetration depth and enamel hardness effects of resin infiltrate and fissure sealant in MIH-affected molars: An in-vitro comparison.

European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry·2025
Same author

Artificial intelligence and dental age estimation: development and validation of an automated stage allocation technique on all mandibular tooth types in panoramic radiographs.

International journal of legal medicine·2024

Related Experiment Video

Updated: Jun 18, 2025

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture
07:47

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture

Published on: November 13, 2013

14.1K

Comparing tooth development timing between ethnic groups, excluding nutritional and environmental influences.

Patrick Thevissen1, Janna Waltimo-Sirén2,3, Hanna-Maija Saarimaa4

  • 1Department of Imaging & Pathology, Forensic Odontology, KU Leuven Campus Saint Raphael 7, Block A, Box 7001, Leuven, 3000, Belgium.

International Journal of Legal Medicine
|July 29, 2024
PubMed
Summary

Dental development timing in Finnish and Somali children in Finland showed minimal differences. These findings suggest ethnicity has a low impact on dental age assessment practices in similar environments.

Keywords:
Dental ageDental developmentFinnishForensic odontologySomali

More Related Videos

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

1.4K
Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants
08:12

Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants

Published on: March 29, 2018

10.1K

Related Experiment Videos

Last Updated: Jun 18, 2025

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture
07:47

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture

Published on: November 13, 2013

14.1K
Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

1.4K
Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants
08:12

Micro-dissection of Enamel Organ from Mandibular Incisor of Rats Exposed to Environmental Toxicants

Published on: March 29, 2018

10.1K

Area of Science:

  • Anthropology
  • Forensic Science
  • Odontology

Background:

  • Dental development timing can vary across ethnic groups.
  • Environmental factors significantly influence tooth development.
  • Understanding ethnic variations is crucial for accurate age assessment.

Purpose of the Study:

  • To compare dental development timing between ethnic Finns and Somalis in Finland.
  • To assess the influence of ethnicity on tooth development stages, minimizing environmental bias.
  • To evaluate the impact of observed differences on clinical and forensic age estimation.

Main Methods:

  • Compared developmental stages of seven lower left permanent teeth in 2,100 Finnish and 808 Somali individuals (ages 2-23).
  • Utilized Demirjian et al.'s staging method on panoramic radiographs.
  • Employed continuation-ratio models to analyze stage transitions based on sex and ethnicity.

Main Results:

  • Statistically significant differences in mean age of certain tooth developmental stage transitions were observed.
  • Somalis generally showed stage transitions at younger ages, but not consistently across all teeth.
  • Observed differences in mean age of stage transition between groups were minimal.

Conclusions:

  • Ethnic Finns and Somalis in Finland exhibit similar timing in the development of lower left permanent teeth under comparable conditions.
  • The impact of ethnicity on dental development timing is minimal in this population.
  • Findings suggest low impact on current clinical and forensic age assessment practices.