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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: Jul 16, 2026

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

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

Published on: August 22, 2022

Multiple internal resorptions in deciduous teeth: a case report.

Eun-Jung Choi¹, Byung-Duk Ahn, Jae-Il Lee

¹Department of Pediatric Dentistry & Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.

Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology

|March 30, 2007

Summary

This case study discusses rare multiple internal resorptions, a condition with an unknown cause. The patient

Related Experiment Videos

Last Updated: Jul 16, 2026

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

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

Published on: August 22, 2022

Area of Science:

Dentistry
Oral Pathology

Background:

Internal resorption is a pathological process where tooth structure is lost from within.
Multiple internal resorptions are exceptionally rare, posing diagnostic and management challenges.

Observation:

A patient presented with multiple internal resorptions, a condition typically affecting single teeth.
The patient also had a history of atopic dermatitis, a chronic inflammatory skin condition.

Findings:

The etiology of multiple internal resorptions remains largely unknown.
A potential association between atopic dermatitis and the occurrence of multiple, rapid internal resorptions was observed.

Implications:

This case highlights the need for further research into the underlying mechanisms of internal resorption.
Investigating potential systemic links, such as atopic dermatitis, may offer new insights into rare dental pathologies.