Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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.

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Effect of Root Canal Irrigants on the Microbial Viability and Matrix Composition of Young and Mature Polymicrobial Biofilms.

Journal of endodontics·2026

Same author

Cellular senescence in the dental pulp and its implications for endodontics: a scoping review.

Clinical oral investigations·2026

Same author

Oral mucositis in cancer therapy: A review of the clinical landscape and the emerging role of microbiome-host interactions.

Critical reviews in oncology/hematology·2026

Same author

Microenvironmental Challenges in Regenerative Endodontic Procedures: Disinfection, Tissue Engineering and Future Directions.

International endodontic journal·2026

Same author

Antibiofilm Activity and Cytocompatibility of Novel Enzymatic Root Canal Irrigants.

Journal of endodontics·2026

Same author

Injectable Piezoelectric Hydrogel for Vital Pulp Therapy.

Journal of functional biomaterials·2025

Search research articles

Related Experiment Video

Updated: Jun 1, 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

Maxillary lateral incisor with two roots: a case report.

Mithun Ravindranath¹, Prasanna Neelakantan, C V Subba Rao

¹Saveetha Dental College and Hospitals, Saveetha University, Chennai, Tamil Nadu, India.

General Dentistry

|May 27, 2011

Summary

Maxillary lateral incisors can have extra canals or even two roots, contrary to common dental literature. Identifying and cleaning these anomalies is crucial for successful endodontic treatment and preventing failure.

More Related Videos

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

Related Experiment Videos

Last Updated: Jun 1, 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:

Endodontics
Dental Anatomy

Background:

The prevailing dental literature states that all maxillary lateral incisors possess a single root canal.
Variations in root canal anatomy can lead to endodontic treatment failure if not identified.

Observation:

This case report details an unusual presentation of a maxillary lateral incisor with two distinct roots.
The presence of multiple roots in this tooth further complicates the root canal anatomy.

Findings:

The study highlights that maxillary lateral incisors can exhibit accessory root canals and, rarely, multiple roots.
This challenges the established understanding of their typical anatomy.

Implications:

Dentists must consider the possibility of aberrant root canal anatomy, including extra canals and roots, in all endodontic evaluations.
Thorough diagnostic imaging and careful instrumentation are essential for managing these uncommon dental anomalies.