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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.

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Related Experiment Video

Updated: Jun 16, 2026

The Establishment of a Murine Maxillary Orthodontic Model

The Establishment of a Murine Maxillary Orthodontic Model

Published on: October 27, 2023

Orthodontic extrusion in the transitional dentition: a simple technique.

Laura J Darby¹, Therese M Garvey, Anne C O'Connell

¹School of Dental Science, Trinity College, University of Dublin, Dublin, Ireland.

Pediatric Dentistry

|January 30, 2010

Summary

This study presents a simple, cost-effective removable appliance technique for extruding incisors in the transitional dentition. This method offers an advantageous alternative for managing various tooth eruption and positioning issues.

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Last Updated: Jun 16, 2026

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Published on: October 27, 2023

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

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

Published on: February 23, 2024

Area of Science:

Dentistry
Orthodontics
Pediatric Dentistry

Background:

Tooth extrusion is essential for managing delayed eruption, primary retention, intruded, or subgingival fractures.
Removable appliances offer superior anchorage independence compared to fixed alternatives.
These appliances are cost-effective and operator-friendly, making them suitable for transitional dentition cases.

Observation:

The paper details a straightforward and economical technique for extruding incisors.
This technique utilizes a removable appliance, ideal for the transitional dentition stage.
It addresses common issues requiring tooth extrusion in younger patients.

Findings:

A simple, cost-effective removable appliance technique for incisor extrusion was successfully described.
This method is particularly beneficial for anterior teeth in the transitional dentition.
The technique provides a viable treatment option for various orthodontic challenges.

Implications:

This approach offers a practical and affordable solution for clinicians treating children and adolescents.
It expands treatment options for managing impacted or displaced anterior teeth.
The described technique can improve treatment outcomes and patient satisfaction in pediatric orthodontics.