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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...

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Related Experiment Video

Updated: Apr 12, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

Root Amputation/Root Resection: An Efficient, Effective Means to Save a Multirooted Tooth.

Garrett Guess¹, Sam Kratchman², Bekir Karabucak³

¹Adjunct Assistant Professor, Department of Endodontics, University of Pennsylvania School of Dental Medicine, Philadelphia, Pennsylvania; Private Practice in Endodontics, La Jolla, California.

Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)

|March 6, 2025

Summary

Root amputation, a dental surgery, removes a damaged tooth root to save the tooth. This effective procedure offers a long-term solution, avoiding extraction and complex implant therapies.

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The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

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Last Updated: Apr 12, 2026

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Published on: May 21, 2017

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The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

Published on: January 13, 2023

Area of Science:

Dentistry
Surgical Procedures

Background:

Multirooted teeth with compromised roots present a treatment challenge.
Extraction is a common but often undesirable solution.

Purpose of the Study:

To describe root amputation (resection) as a viable alternative to tooth extraction.
To highlight the benefits of root resection for preserving tooth function.

Main Methods:

Surgical removal of the affected root from a multirooted tooth.
Tooth reshaping to enhance cleansability.
Restoration of the tooth's underside to prevent decay.

Main Results:

Root amputation allows the tooth to remain functional and disease-free.
The technique demonstrates favorable long-term survival rates.
It offers fewer complications compared to implant therapy.

Conclusions:

Root resection is a successful surgical option for preserving compromised multirooted teeth.
This procedure provides a durable, long-term solution with reduced patient morbidity.
It serves as a valuable alternative to extraction and implant placement.