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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.

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Related Experiment Video

Updated: Jul 6, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Published on: August 15, 2025

[Malignant odontogenic tumors].

G Jundt¹, P A Reichart

¹Institut für Pathologie, DÖSAK-Zentralregister am Knochentumor-Referenzzentrum, Universitätsspital Basel, Schweiz. gernot.jundt@unibas.ch

|April 9, 2008

Summary

This summary is machine-generated.

Malignant odontogenic tumors, though rare, include odontogenic carcinomas and sarcomas. Carcinomas like ameloblastic carcinoma are aggressive, requiring radical surgery and radiotherapy for treatment.

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

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Published on: August 22, 2022

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Last Updated: Jul 6, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

Published on: August 15, 2025

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:

Oral Pathology
Oncology
Tumor Biology

Context:

Malignant odontogenic tumors are exceptionally rare neoplasms.
Classification distinguishes epithelial odontogenic carcinomas from mesenchymal odontogenic sarcomas.
WHO does not yet recognize odontogenic carcinosarcomas.

Purpose:

To review the classification and characteristics of malignant odontogenic tumors.
To compare the aggressiveness and prognosis of odontogenic carcinomas versus sarcomas.
To outline the current treatment strategies for these rare tumors.

Summary:

Odontogenic carcinomas include ameloblastic carcinoma (AmCa), primary intraosseous carcinoma (PIOC), clear cell odontogenic carcinoma, odontogenic ghost cell carcinoma (OGCC), and metastasizing ameloblastoma.
Odontogenic sarcomas include ameloblastic fibrosarcoma and fibroodontosarcoma.
While sarcomas are low-grade, carcinomas (AmCa, OGCC, PIOC) are aggressive with lower survival rates, necessitating prompt and radical treatment.

Impact:

Provides a comprehensive overview of rare malignant odontogenic tumors.
Highlights the aggressive nature and poorer prognosis of odontogenic carcinomas.
Emphasizes the importance of radical surgery and radiotherapy in managing these malignancies.