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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...

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...

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Related Experiment Video

Updated: Mar 23, 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

A maxillary second molar with 6 canals: a case report.

Jong Ryul Kim¹, Sung Baik Choi, Sang Hyuk Park

¹Department of Conservative Dentistry, Dental Hospital, Kyung-Hee University Medical Center, Seoul, Korea.

Quintessence International (Berlin, Germany : 1985)

|June 14, 2008

Summary

This case report details a rare anatomical variation in a maxillary second molar, featuring six root canals. Understanding such variations is crucial for successful endodontic treatment and diagnosis.

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Last Updated: Mar 23, 2026

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Area of Science:

Endodontics
Dental Anatomy

Background:

Successful endodontic treatment requires thorough access to the pulp chamber and identification of all root canals.
Familiarity with root canal variations and detailed tooth anatomy is essential for practitioners.

Observation:

A case report on a maxillary second molar with an unusual anatomical variation is presented.
This specific molar exhibited six distinct root canals, a configuration not previously documented in existing literature.

Findings:

The maxillary second molar presented a unique anatomy with six canals.
This finding highlights the importance of recognizing and managing rare root canal morphologies.

Implications:

The case provides valuable insights into the anatomical diversity of maxillary molars.
Detection of unusual canals requires specific diagnostic approaches, aiding clinicians in complex endodontic cases.