Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The enduring impact of neurulation stage alcohol exposure: A combined behavioral and structural neuroimaging study in adult male and female C57BL/6J mice.

Behavioural brain research·2017

Same author

Acute alcohol exposure during neurulation: Behavioral and brain structural consequences in adolescent C57BL/6J mice.

Behavioural brain research·2016

Same author

Infralimbic and dorsal raphé microinjection of the 5-HT(1B) receptor agonist CP-93,129: attenuation of aggressive behavior in CFW male mice.

Psychopharmacology·2012

Same author

Potentiation of brain stimulation reward by morphine: effects of neurokinin-1 receptor antagonism.

Psychopharmacology·2011

Same author

The Teeth as a Source of Focal Sepsis.

Postgraduate medical journal·2011

Same author

Penicillin in dental and oral surgery.

Journal of the American Dental Association (1939)·2010

Search research articles

Related Experiment Video

Updated: Jun 18, 2026

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

Dead Tracts in Dentine.

Proceedings of the Royal Society of Medicine

|December 9, 2009

Summary

This summary is machine-generated.

Irritated dentinal tubules coagulate and die, prompting the pulp to form a protective barrier of secondary dentine. If this barrier fails, the pulp may also die, indicating dentine death following injury.

More Related Videos

Inducing Apical Periodontitis in Mice

Inducing Apical Periodontitis in Mice

Published on: August 6, 2019

Related Experiment Videos

Last Updated: Jun 18, 2026

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

Inducing Apical Periodontitis in Mice

Inducing Apical Periodontitis in Mice

Published on: August 6, 2019

Area of Science:

Dentistry
Oral Biology
Dentine Physiology

Background:

Dentinal tubules are vital structures within teeth.
Irritation or exposure can compromise tubule integrity and pulp vitality.

Purpose of the Study:

To investigate the physiological response of dentine and pulp to injury.
To determine the fate of opened or irritated dentinal tubules and the pulp.

Main Methods:

Histological examination of injured dentine and pulp.
Experimental assessment of fluid permeability and sensitivity in dentine.

Main Results:

Opened dentinal tubules' contents coagulate and die.
Pulp forms secondary dentine as a protective barrier against dead tubules.
Injured dentine becomes insensitive and isolated from pulp fluids.
Secondary dentine formation seals off injured primary tubules.

Conclusions:

Dentine death occurs when dentinal tubules are significantly irritated or exposed.
Pulp vitality is threatened by severe dentine injury, potentially leading to pulp necrosis.
Secondary dentine formation is a crucial defense mechanism to protect the pulp.