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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...
Tooth Anatomy01:21

Tooth Anatomy

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 grinding food.

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Related Experiment Video

Updated: May 19, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
07:32

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Tooth transposition: a descriptive study in a 547-patient sample.

Farid Bourzgui1, Mourad Sebbar, Jamila Ait Ikiss

  • 1Dentofacial Orthopedics Department, Faculty of Dental Medicine, Université Hassan 2, Ain Chok, Casablanca, Morocco. faridbourzgui@gmail.com

International Orthodontics
|August 22, 2012
PubMed
Summary
This summary is machine-generated.

Tooth transposition, a rare dental anomaly, affects 2% of orthodontic patients, predominantly females. This condition, most common in canines within the maxillary arch, often co-occurs with other dental issues.

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Studying Orthodontic Tooth Movement in Mice
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Studying Orthodontic Tooth Movement in Mice

Published on: August 2, 2024

Related Experiment Videos

Last Updated: May 19, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
07:32

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Studying Orthodontic Tooth Movement in Mice
07:17

Studying Orthodontic Tooth Movement in Mice

Published on: August 2, 2024

Area of Science:

  • Dentistry
  • Orthodontics
  • Dental Anomalies

Background:

  • Tooth transposition is a rare dental anomaly where teeth erupt in an abnormal position.
  • Understanding its prevalence is crucial for orthodontic diagnosis and treatment planning.

Purpose of the Study:

  • To investigate the prevalence of tooth transposition in a cohort of orthodontic patients.
  • To identify associated dental anomalies and demographic patterns.

Main Methods:

  • Retrospective analysis of 547 orthodontic patient records.
  • Inclusion of clinical data, panoramic radiography, cephalograms, and dental casts.
  • Application of the Peck and Peck (1995) classification for tooth transposition.

Main Results:

  • A 2% prevalence of tooth transposition was observed.
  • The anomaly predominantly affected the maxillary arch, with canines being the most involved teeth (100%).
  • Associated conditions included tooth agenesis (18%), peg lateral incisors (27%), and persistent deciduous teeth (18%).

Conclusions:

  • The prevalence of tooth transposition in this orthodontic population was low but higher than previously reported.
  • Findings highlight the importance of recognizing associated anomalies for comprehensive orthodontic care.