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Related Concept Videos

Tooth Anatomy01:21

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.
Teeth01:15

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 6, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
04:04

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

Published on: August 15, 2025

[Benign "mixed" odontogenic tumors].

P A Reichart1, G Jundt

  • 1Abteilung Oralchirurgie und Zahnärztliche Röntgenologie, Charité-Universitätsmedizin Berlin. peter-a.reichart@charite.de

Der Pathologe
|March 29, 2008
PubMed
Summary

Benign mixed odontogenic tumors have both epithelial and ectomesenchymal components, unlike pure tumors. Some mixed odontogenic lesions are true tumors, while others are hamartomas, requiring different treatments.

Area of Science:

  • Oral pathology
  • Odontogenic tumors
  • Tumor biology

Background:

  • Benign mixed odontogenic tumors are characterized by the presence of both epithelial and ectomesenchymal components.
  • These tumors can produce dental tissues such as dentin, enamel, or cementum, aiding in radiological differentiation from pure epithelial odontogenic tumors.
  • Mixed odontogenic lesions are classified as true tumors (e.g., ameloblastic fibroma) or hamartomatous lesions (e.g., compound odontoma).

Purpose of the Study:

  • To review the classification, characteristics, and management of benign mixed odontogenic tumors.
  • To differentiate between true tumors and hamartomatous lesions within the mixed odontogenic tumor group.
  • To highlight the distinct clinical behaviors and treatment strategies for various mixed odontogenic lesions.

Main Methods:

Related Experiment Videos

Last Updated: Jul 6, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
04:04

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

Published on: August 15, 2025

  • Review of existing literature on benign mixed odontogenic tumors.
  • Analysis of diagnostic criteria, including radiological and histological features.
  • Comparison of treatment modalities based on tumor classification and aggressiveness.

Main Results:

  • Complex and compound odontomas are the second most common odontogenic tumors, following keratocystic odontogenic tumors.
  • Odontoameloblastoma and dentinogenic ghost cell tumors are locally aggressive, necessitating complete surgical resection.
  • Ameloblastic fibroma, ameloblastic fibrodentinoma, and ameloblastic fibroodontoma are other significant members of this group, with varying prognoses.

Conclusions:

  • Accurate classification of mixed odontogenic tumors is crucial for determining appropriate treatment and prognosis.
  • While most mixed odontogenic lesions are treated with local excision, aggressive types require more extensive surgery.
  • Long-term follow-up is essential for ameloblastic fibroma due to the potential for malignant transformation into ameloblastic fibrosarcoma.