Related Experiment Video
Updated: Jul 15, 2026

07:26
Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
Comparative study on the effect of ethnicity on wisdom tooth eruption
A Olze1, P van Niekerk, T Ishikawa
1Institut für Rechtsmedizin, Charité-Universitätsmedizin Berlin, Turmstrasse 21, 10553 Berlin, Germany. OlzeAnDr@aol.com
International Journal of Legal Medicine
|April 25, 2007
Summary
Ethnic origin impacts wisdom tooth eruption timing. Black South African populations erupt teeth fastest, while Japanese populations erupt slowest, necessitating population-specific data for forensic age estimation.
Area of Science:
- Anthropology
- Forensic Odontology
- Human Biology
Background:
- Limited data exists on how ethnic background influences wisdom tooth eruption timelines.
- Accurate age estimation in forensics relies on understanding developmental variations.
Purpose of the Study:
- To compare wisdom tooth eruption chronology across distinct ethnic groups.
- To establish population-specific data for forensic age assessment.
Main Methods:
- Analysis of 2,482 conventional orthopantomograms.
- Comparison of eruption stages in German, Japanese, and black South African populations.
Main Results:
- Significant differences in wisdom tooth eruption timing were observed between the three ethnic groups.
- German population showed intermediate eruption timing.
- Black South African population exhibited the fastest eruption, while the Japanese population showed the slowest.
Conclusions:
- Wisdom tooth eruption timing varies significantly by ethnicity.
- Population-specific reference data is crucial for reliable forensic age estimation.
- Further research into ethnic variations in dental development is warranted.
Related Concept Videos
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...
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...
Surveys
Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Ethnic Identity within a Larger Culture
Adolescents from ethnic minority backgrounds face a multifaceted journey in forming their identities, shaped by the intersections of cultural expectations and personal exploration. For these adolescents, identity formation involves not only typical developmental challenges but also navigating the perceptions and attitudes of the majority culture. As they grow, adolescents in ethnic minority groups often become increasingly aware of stereotypes, social biases, and discrimination, all of which...