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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...

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.

Oral Cavity

Oral Cavity

The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...

Veneer

Veneer

Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...

Sutures of the Skull

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...

Assessment of the Mouth

Assessment of the Mouth

A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.

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Related Experiment Video

Updated: Jun 20, 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

Wisdom teeth: mankind's future third vice-teeth?

DuoHong Zou¹, Jun Zhao, WangHui Ding

¹School of Stomatology, Tongji University, Shanghai 200072, China.

Medical Hypotheses

|September 22, 2009

Summary

Wisdom teeth (third molars) can be preserved as stem cells for future dental regeneration. This innovative approach offers a potential solution for replacing lost teeth using the patient's own tissue.

Related Experiment Videos

Last Updated: Jun 20, 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
Regenerative Medicine
Developmental Biology

Background:

Third molars (wisdom teeth) frequently experience impaction and are often extracted due to associated complications like pericoronitis and dental caries.
Tooth loss from various causes remains a significant clinical challenge, with current treatments having limitations.

Purpose of the Study:

To explore the potential of utilizing human third molar tooth buds for dental tissue regeneration.
To propose a method for storing wisdom teeth-derived stem cells for future tooth restoration.

Main Methods:

Hypothesizing the feasibility of obtaining human third molar tooth buds during development.
Proposing the storage of wisdom tooth germ tissue in an embryonic stem cell bank.
Suggesting the application of stem cell and tissue engineering technologies for tooth restoration.

Main Results:

The study hypothesizes that human third molar tooth buds can be harvested during development.
It is proposed that this germ tissue can be stored in a stem cell bank.
The research suggests that stem cell and tissue engineering can restore missing teeth using this stored tissue.

Conclusions:

Wisdom teeth hold potential as a source for autologous tissue regeneration.
Preserving wisdom teeth could provide a future solution for replacing lost teeth.
This approach may revolutionize dental treatments by enabling the restoration of missing teeth.