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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...

Teeth

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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.
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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.
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Related Experiment Video

Updated: Apr 23, 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

Maxillary first molar with five canals.

¹Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan.

BMJ Case Reports

|September 21, 2014

Summary

This summary is machine-generated.

This case report details successful non-surgical endodontic treatment of a maxillary first molar with complex root canal anatomy. Understanding root canal variations is crucial for predictable treatment outcomes.

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Area of Science:

Dentistry
Endodontics
Dental Anatomy

Background:

Root canal treatment (RCT) on maxillary first molars presents challenges due to complex and variable root canal anatomy.
Inadequate recognition of anatomical variations can result in treatment failure and unpredictable outcomes.

Observation:

This case report focuses on a maxillary first molar exhibiting unusual root canal morphology.
Specifically, the tooth presented with two palatal canals and two mesiobuccal canals, deviating from typical anatomical presentations.

Findings:

Successful non-surgical endodontic treatment was achieved despite the complex root canal system.
The case highlights the successful management of multiple canals in the palatal and mesiobuccal roots.

Implications:

Accurate diagnosis and thorough understanding of root canal morphology variations are essential for successful endodontic therapy.
This case underscores the importance of advanced imaging and careful instrumentation techniques in managing complex root canal systems in maxillary molars.