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Tooth Anatomy

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.

Teeth

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...

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Related Experiment Video

Updated: May 8, 2026

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

Published on: January 28, 2020

Abberantly placed impacted mandibular canine.

Rashi Bahl¹, Jeetinder Singla, Mohita Gupta

¹Department of Oral and Maxillofacial Surgery, Genesis Institute of Dental Sciences and Research, Ferozepur, Punjab, India.

Contemporary Clinical Dentistry

|September 10, 2013

Summary

This summary is machine-generated.

Tooth transmigration, the rare migration of a tooth across the midline, is uniquely observed in mandibular canines. This case highlights an aberrant right mandibular canine requiring surgical removal.

Keywords:

Aberrant impacted mandibular canine and migration transmigration

Related Experiment Videos

Last Updated: May 8, 2026

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

Published on: January 28, 2020

Area of Science:

Dentistry
Oral and Maxillofacial Surgery
Orthodontics

Background:

Tooth transmigration is a rare phenomenon where a tooth moves across the midline.
It is most commonly associated with mandibular permanent canines but can occur with other teeth.
The etiology of tooth transmigration remains largely unknown.

Observation:

A case of an aberrantly positioned right mandibular canine exhibiting transmigration is presented.
The condition was incidentally discovered during a radiological examination prior to orthodontic treatment.
The canine migrated across the mandibular midline suture.

Findings:

Transmigration follows the tooth's long axis, with the crown typically leading.
The tendency of a canine to cross the midline is a significant factor, regardless of migration distance.
Aberrantly positioned impacted canines diagnosed with transmigration necessitate surgical intervention.

Implications:

Early diagnosis of tooth transmigration is crucial for effective management.
Surgical removal is indicated for diagnosed cases of aberrantly positioned, impacted, transmigrated canines.
Understanding the phenomenon of tooth transmigration can aid in orthodontic planning and treatment outcomes.