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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 13, 2026

The Establishment of a Murine Maxillary Orthodontic Model
04:11

The Establishment of a Murine Maxillary Orthodontic Model

Published on: October 27, 2023

Two palatal root canals in a maxillary second molar.

Fábio de Almeida-Gomes1, Cláudio Maniglia-Ferreira, Roberto Alves dos Santos

  • 1Specialist Program in Endodontics, University of Fortaleza, Ceará, Brazil.

Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc
|August 19, 2007
PubMed
Summary

Maxillary second molars rarely have two palatal root canals, but this anatomical variation is crucial for successful endodontic treatment. Recognizing this possibility prevents persistent post-operative discomfort in patients undergoing root canal therapy.

Related Experiment Videos

Last Updated: Jul 13, 2026

The Establishment of a Murine Maxillary Orthodontic Model
04:11

The Establishment of a Murine Maxillary Orthodontic Model

Published on: October 27, 2023

Area of Science:

  • Dentistry
  • Endodontics
  • Dental Anatomy

Background:

  • Endodontic treatment aims to eradicate intraradicular infection and restore tooth function.
  • Maxillary second molars typically present with three or four root canals.
  • Anatomical variations in root canal morphology can complicate endodontic procedures.

Observation:

  • A case study involving endodontic treatment of a maxillary second molar with an unusual root canal configuration.
  • The specific case presented two distinct palatal root canals within the maxillary second molar.
  • Radiographic and clinical evaluations are essential for identifying complex root canal systems.

Findings:

  • The presence of two palatal root canals in a maxillary second molar is a rare anatomical variation.
  • This variation may not be detected during initial clinical and radiographic assessment.
  • Delayed diagnosis of dual palatal canals can lead to persistent post-operative endodontic discomfort.

Implications:

  • Clinicians must consider the possibility of dual palatal root canals in maxillary second molars during endodontic diagnosis and treatment planning.
  • Thorough radiographic interpretation and advanced imaging techniques may be necessary to identify such variations.
  • Failure to identify and treat all canals can result in endodontic treatment failure and ongoing periapical issues.